Big Block Chevy Oval Port Heads

BF Series/9. It features 290-cc intake ports and 110-cc chambers, 2. Late-model trucks with big blocks feature an even smaller oval-intake port, frequently referred to as the “peanut” port. Have a big shop full of big block chevy stuff ,cylinder heads I have bunch of all kinds of parts numbers, oval port ,rectangle port cast iron. Build a 740hp Big-Block Chevy in Your Driveway tackle the job of completing the long-block yourself. Find CHEVROLET Chevy big block Gen V Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! Rite Oval Port Cylinder Heads for Big Block Chevy. The Power+Plus Cyclone Manifold is a direct replacement manifold for the stock manifold on Chevy big block engines with general duty oval port heads. Each oval port cylinder head uses a unique intake port design to increase flow numbers and performance. If you plan to modify the engine (i. Part# KB-MSP-10-EXT-454-1875 Kustom Bitz header plate to suit a big block Chevrolet V8 engine. The BB-3 XTRA CNC ported oval ports are available in three port volumes: 332 cc, 351 cc, and 365 cc. Closed Chamber - A good way to describe big-block heads is to categorize them as open or closed chamber. While the coupe engine uses a tall-deck 427 truck block with a 10. Big Block Chevy PRO ACTION™ (Aluminum) Pro Action™ Cylinder Heads, the cornerstone of the RHS® line, are ideal for a variety of performance functions, including hot rods, drag racing, oval track racing and marine applications. Head chambers on one head has been smoothed at one time along with the intake and exhaust. Some computational fluid dynamics studies by my good friend David Woodruff of Design Dreams indicate that even if the port is sized so that no additional flow is produced, the velocity and port energy are often higher. 400 intake valves and 1. and can easily be retro fitted to oval port heads with the use of a FelPro gasket #1275. Designed to be used with factory and aftermarket high performance oval port cylinder heads. 06" in size, with 1. 00 Edelbrock 2095 RPM Power Package Top End Kit For 65-95 Big Block Chevy 396-454ci. The Complete History of Chevy Big-Block Engines The Family Tree Unlike lesser engines, the evolution of the big-block Chevy can be traced back to a prestigious great-great-grand pappy, the high-performance 425-hp L78 396, first available in 1965 Corvettes and Chevelles. Rectangle Port. _____ 1949 Pro Street Meteor Coupe, 468 BBC. Cylinder Heads, Edelbrock, Performer, BB Chevy, 454-O, Oval Port Notes WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Big Block chevy 320CC intake Runners And 115CC Combustion Cambers There Heads Are Ready To Bolt On with 7/16 Studs And Guide Plate The Springs are Good up to 600 Lift ALL OF YOUR HEADS COME WITH A 3 angle valve job and. 2cc If you are a guest, have a look around by clicking on the Forum button up top and browse our public areas. Edelbrock has developed a new set of cylinder heads for 427-572 cid Big Block Chevy engines named 'RPM Xtreme Cylinder Heads. k9lab $500 Stock iron heads, oval port. They have small, low flowing, small oval port heads. 0l Ls2 Ls1 Ls3 Lsx 585hp Turn Key Rect Port Heads. World Products 030040 - Cylinder Heads Cast Iron Chevy Big Block MERLIN 269cc Oval Port 269cc 119cc 26Degree 2. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. $200 Oval port iron heads. This is a new aluminum dual plane intake for big block Chevy engines. THE BRODIX HEAR HUNTER SERIES REPRESENTS CUTTING EDGE OF THE CONVENTIONAL BIG BLOCK TECHNOLOGY. Chevy 396 409 427 454 block engine heads blocks engines. Each oval port cylinder head uses a unique intake port design to increase flow numbers and performance. 060 over, new KB Hyperutectic pistons, forged rods with ARP bolt Steel Crankshaft and everything balanced at Eagle Oval port heads with Comp Springs, Stainless exhausts valves, Comp, long slot lifters, heavy duty 7/16 Pushrod. The casting number on each head is 3856206. Big Block Chevy Cylinder Heads. AFR Big Block Chevy 290cc Oval Port Magnum Aluminum Cylinder Heads. at the best online prices at eBay!. First, from everything that I've read, putting bigger valves in a closed chambered head, like my '290's', doesn't help at all because the intake valve is shrouded even more than the smaller 2. World's MERLIN series has earned a reputation as the performance industry standard for Big Block Chevy power. little intake on big heads) under certain conditions, without knowing any facts to back up such a plan. Re: Big block Chevy head question I've been doing a little reading and talking lately. BBB Accredited Business. Super Stock Die Formed Sheet Metal Intake Manifolds. The Edelbrock #60435 Performer RPM High-Compression O-Port cylinder heads are designed for Big-Block Chevy applications. Chevy VIN, Block, Heads, Intake Casting Numbers 14101398 454 86-90 2. For sale is a set of big block chevy heads that were on a 454 in a 68 camaro. Standard small port style heads square ports. There's something regarding the longer days and also the warmer weather condition that takes out of our wintertime funks and also gets us feeling inspired to take control of lives and also shock their lives right. Will that be okay or will there be a big horsepower loss? I’ve read that you shouldn’t do this because the engine will suffer a big power loss. 88 valve sizes. -port head (i. 72 exhaust. CALL US WITH YOUR NEEDS. big block bbc chevy 454 496 300cc oval port aluminum heads assem. the exhaust stands will then attach to the intake along with the head. Sniper 174X-24° CNC Ported Big Block Chevy Cylinder Heads $4395. For 396 to 454 cubic inch engine. Big Block Chevy Cylinder Heads Open vs. The Complete History of Chevy Big-Block Engines The Family Tree Unlike lesser engines, the evolution of the big-block Chevy can be traced back to a prestigious great-great-grand pappy, the high-performance 425-hp L78 396, first available in 1965 Corvettes and Chevelles. 2 454 crankshafts. Because the stock exhaust ports are in the stock location, you don't have to worry about header or manifold interference. Toggle Nav. It came with the block that I bought I am rebuilding the 402 BB but I need to know what carb the intake manifold takes. I take paypal or cash can ship for extra cost. big block chevy heads WE HAVE THE FOLLOWING CASTING NUMBERS ON THE SHELF. BBC 454 to 470 CID with AFR 265 or 290 Oval Port heads to max of 6200 rpm. Doing only this marginally reduces flow but it does considerably aid what seems to be a vital Chevy big-block power production requirement, namely, port velocity. 72 exhaust. Edelbrock E-Street Cylinder Heads Oval Port Big Block Chevy; Skip to the end of the images gallery. Watch as we compare popular oval-port big-block Chevy cylinder heads on the flow bench and the dyno. BBB Accredited Business. 625" RACE HEADS ASSM. big block bbc chevy 454 496 300cc oval port aluminum heads assem. BBB Accredited Business. So I need help identifying what would be the best heads to use/keep. Late-model trucks with big blocks feature an even smaller oval-intake port, frequently referred to as the “peanut” port. Not a motorhome motor. Good used Edelbrock Torker 2-O (Round) Oval Port Intake Manifold (as shown in 12 pictures) Fits Big Block Chevy 396 - 402 - 427 - 454 V8's bolt holes and other threads look fine (carb holes are Heilcoiled) no cracks or damage that we could see (as shown in 12 pictures) Edelbrock part # Torker 2-O casting. Rectangle Port. This will help reduce turbulence and enhance flow. Big Block Chevy PRO ACTION™ (Aluminum) Pro Action™ Cylinder Heads, the cornerstone of the RHS® line, are ideal for a variety of performance functions, including hot rods, drag racing, oval track racing and marine applications. Big Block Chevy parts has 19,142 members. 04" with 1/2 radius. These Pro Comp Cylinder Heads have a thick Deck Design and High Capacity water jackets that makes them a reliable choice for street or strip. Find Big Block Chevy Aluminum Heads on sale here with the largest selection of Big Block Chevy Aluminum Heads anywhere online. Air Flow Research Cylinder Heads » AFR - Big Block Chevy Oval Ports; AFR's 265cc Magnum "As Cast" Oval Port heads with solid roller springs are the preferred. Closed Chamber - A good way to describe big-block heads is to categorize them as open or closed chamber. 880", Bare Castings. # 336781 made between 1973 and 85. ' The heads produce flow numbers competitive with the Victor series race heads, but they still maintain compatibility with off-the-shelve components. Edelbrock Part # 2161 Performer 2-O intake manifold is designed for street 396-502 c. big-block Chevy V8's using general duty oval-port cylinder heads. 88 inches optional),. Our user id is: skipwhite, and our store name is whiteperformance1. BBC ProComp Aluminum Cylinder Heads 300 Runner Assembled - Item # PCM 3021-396C. QR Code Link to This Post. 5 degree angle to improve intake port alignment and create a smaller chamber without valve shrouding. 115CC open chamber design. Air Flow Research Cylinder Heads » AFR - Big Block Chevy Oval Ports; AFR's 265cc Magnum "As Cast" Oval Port heads with solid roller springs are the preferred. 880", Bare Castings. The new installment of our big-block heads shootout includes both oval port and rectangular port heads. Closed-chamber cylinder heads have small combustion chamber volumes for high compression ratios, with even mildly domed pistons. No matter what you're driving, we have the right Big Block Chevy Cylinder Heads for your automobile. These heads were used by GM on 1965 396/325HP engines only. #61459 is interchangeable with any early-style (1965-75) oval port cylinder heads while #61559 is interchangeable with high performance rectangular port heads. BBC Blocks. Primarily for marine use. Standard Big Block Chevy for all Dart, Brodix or any standard configuration Chevy head. It features 290-cc intake ports and 110-cc chambers, 2. 880 Intake/Exhaust Valves, Oval Port, Assembly w/1. The Edelbrock #60435 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. Designed for competition 396-502 Big Block Chevy's #2902 fits rectangular-port heads and #2904 fits large oval-port heads (1975-earlier) These intakes are designed to optimize the flow characteristics of an 850 CFM standard flange carburetor Features include extended runner dividers, smaller plenum chambers and unique runner design for max. Prestige Motorsports in Concord, NC. The bolt pattern between these two heads are the same, so in a pinch it is possible to run an oval port manifold on a rectangle port engine and, contrary to what most forum experts will. For large oval port heads use 2" and but up the the header flange face. California Proposition 65 Warning. The Edelbrock #60449 Performer RPM O-Port cylinder heads are designed for Big-Block Chevy applications. These Pro Comp Cylinder Heads have a thick Deck Design and High Capacity water jackets that makes them a reliable choice for street or strip. 2 deck, 4500 carburetor, oval port Dart big block Chevy manifolds are available with rectangular or oval ports to match your big blo. We don't see any BBC motors in circle track any longer. If you use the big-block porting guide in my big-block Chevy book, you will be in business with some 400-plus cfm on the intake and 290-plus on the exhaust. We do not supply Big Block Chevy intake cores. 1972 chevelle corvette camaro big block chevy ls7 sqaure port heads (lansing il) $800. Port For Sale. Weiand is proud to announce the availability of their new Street Warrior™ low rise dual plane Intake manifold for big block Chevy engines with oval port heads, P/N 8123 Using Pro-E computer design, rapid prototyping, CFD air flow design, along with a permanent mold casting process, the Street Warrior 8123 produces more horsepower and torque then similar intakes currently on the market. Part# KB-MSP-10-EXT-454-1875 Kustom Bitz header plate to suit a big block Chevrolet V8 engine. Bbc-oval-272. port and a NOS fogger setup(no bottle) $1500 Edelbrock Torker2. Brodix Race Rite Big Block Chevy Oval Port Head, CNC Chambers, 270 Port Volume, pair. It’s an affordable high performance Big-Block for your project vehicle! Aluminum oval-port cylinder heads with 2. These Pro Comp Cylinder Heads have a thick Deck Design and High Capacity water jackets that makes them a reliable choice for street or strip. the is 2 smaller oval port heads and only 1 rectangular port size head doesn't matter if its an alum. Brodix Race Rite oval port aluminum cyl heads that have the cnc option, titanium retainers,115cc. chevy_big_block — 378 Two heads can have different cc's in port volume and still have the same average CSA because of their different port centerline lengths. 10051128 and Stock BBC heads. Chevrolet Performance service replacement cylinder heads are direct replacements on most 1990-and-later GM Big-Block 454-cubic-inch and 502-cubic-inch engines. 400 intake valves and 1. Big Block Chevy Build I'm thinking more on the line of a 468, maybe 11. Free Shipping by Amazon. The intake runners and exhaust ports are partially CNC machined, while the combustion chambers are offered with partial or full CNC machining with a bowl blend; this torque monster is capable of flowing 354 CFM at 0. 25 intake valves add $50. This is new PAIR of our newly released Assault Racing rectangle port big block Chevy aluminum cylinder heads. Oval-port heads are known to easily support up to 600 hp with the proper combination of parts; some builders have exceeded that mark by a considerable amount in special applications. The difference between the two is the shape of the ports and also the combustion chamber size. They feature an oval intake port design that produces excellent low and midrange torque and horsepower, plus more efficient heart-shaped, CNC-profiled combustion chambers,. Wow Bbc Chevy Fel Pro 1212 Intake Gasket Oval Port Big Block Chevy 396-427-454. World Products MERLIN series has earned a reputation as the performance industry standard for Big Block Chevy power. Yes I have heard of that being done but I don't think that is something I would want to do to my oval port heads. of torque combination with a 12-month warranty. block put out more hp than big block. The ZZ502/502 comes with our aluminum oval-port, big-valve street heads that flow enough air to satisfy the demands of the hungry 4. What the best BBC oval port heads, as far as port size and flow? Please help trying to make a decision on heads. Cylinder Heads, Edelbrock, Performer, BB Chevy, 454-O, Oval Port Notes WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Big block Chevy parts 4 bolt main block. Our MAGNUM line of cylinder heads for the big block Chevy are available in Oval Port designs with runner volumes of 265cc, 290cc, and 300cc or Rectangular Ports with 305cc, 315cc, 325cc, 335cc, 345cc, 357cc, 377cc and 385cc runners. More "pedestrian" engines (read passenger car and truck), received the oval-port cylinder heads. Available with several different porting programs of both oval and rectangular port design and various valve diameters to accommodate the engine?s bore size. 454-O intake manifold is designed for competition 396-502 big-block Chevy's with large oval-port heads (1975 & earlier). Gasket, Aluminum Oval-Port Heads • Designed for Big-Block aluminum heads P/N 12363390, P/N 12363392, P/N 12363399, P/N 19331425, P/N 19331424 and P/N 19331422 • Use with manifold P/N 12363406, P/N 12363407, P/N 12363420 or P/N 12363421. LARGE STOCK OF OVAL CLOSED CHAMBER AND OVAL PORT OPEN CHAMBER HEADS. Shop 454 Chevy Big Block V8 Cylinder Heads and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. Pair of complete bbc heads open chamber peanut port,no cracks, from mid 70s truck. Cylinder Heads, Edelbrock, Performer RPM, BB Chevy, 454-O, Oval Port These high-performance aluminum cylinder heads have been designed to support over 540 HP in a big-block Chevrolet engine. 06" in size, with 1. 30" Intake Valve and 1. big block bbc chevy 454 496 300cc oval port aluminum heads assem. 1972 BBC 454 with 781 oval port heads, comp cam, Holley street/strip manifold, New MSD Hei, moroso oil pan and wires, edelbrock aluminum water pump. BBC Cylinder Head Casting Numbers: RECTANGULAR PORT - Valve size 2. They have been cleaned and blasted. Passenger Oval Port Heads with Screw in studs and guide platesclosed chamber427 heads/454 I TRADE FOR CHEVY PERFORMANCE OLD SCHOOL PARTS Chevy Big Block. It has a streetable 9. Big Block Chevy Cylinder Heads. Each oval port cylinder head uses a unique intake port design to increase flow numbers and performance. $396 OBO Or Best Offer! 1) 781 Heads Oval Port Complete "336781" Need refreshing Mark IV Big Block engine the same series as the 396, 402, 427, 454 That means that you can build any of those engines using this block. CFE 18 Degree Spreadport BBC. The Edelbrock #50459 E-Street cylinder 290 Oval Port heads are designed for Big-Block applications. Seasoned Gen V block 4 bolt mains bored. The big block was released mid year in 1965 which makes these heads very rare and hard to find. 88 exhaust OVAL PORT - Valve size 2. BBB Accredited Business. 030040-2 - World Products - Merlin 24 Degree BBC Iron Head - 269cc Intake Port, 119cc Chamber, 2. 88 exhuast (if they would fit) valves. Upgraded to 3/8ths pushrods and guide plates. There are also "semi-closed" chamber heads like the c/n 215 heads. We work on many types of BBC heads including factory Chevy Oval and Square Port, Dart 308 and 345 Square Port, World Merlin and Engine Quest BBC heads. Find Big Block Chevy Aluminum Heads on sale here with the largest selection of Big Block Chevy Aluminum Heads anywhere online. Bbc Chevy 496 540 572 Bravo 335 Rec. The CFE 14 degree Spread-Port head is perhaps the most diverse of any of our Pro Stock style cylinder heads. Big Block Chevy. 8-inch deck height, a Brodix oval-port single-plane intake, and will probably use a pair of oval. Some of those early rectangular-port heads actually made as much as 25 hp more with the bottom 1/4 to 3/8 inch of the port filled in. if its rectangular heads yes of course a rectangular intake will fit. NEW BM style Plenum Design for 540-632 cid engines has an Integral Turtle and nitrous/fuel injector bosses. This is the ultimate big power and torque, dual plane design intake manifold for the big block Chevrolet utilizing oval port style cylinder heads. This is a Stage III. In the aftermarket, most performance heads are aluminum rectangular port, open-chamber designs reminiscent of the original LS6 casting, although you can also buy aftermarket oval port. I am trying to get some answers/opinion on something i am investigating on BBC Cylinder Heads. 04" with 1/2 radius. The Edelbrock #60435 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. 75 @ 125 mph in a 3500lb Malibu. Looking for some input on what are some really good performing big block aluminum heads with a smaller port range with good flow characteristics. Gm Big Block Chevy Large Oval Port Heads 3872702 1966 396 325hp 360hp 427390hp. This is a new aluminum dual plane Air Gap intake for big block Chevy engines. big block chevy heads WE HAVE THE FOLLOWING CASTING NUMBERS ON THE SHELF. Edelbrock Big Block Chevy marine heads are sold with seals and valves only for a variety of combinations. Weiand 7540 Dominator 4500 Team G Intake Manifold Big Block Chevy Square Port. BBC Blocks. Brodix Cylinder Heads Race-Rite oval port cylinder heads for big block Chevys bolt on directly in place of your stock heads, so you can reuse your intake manifold and pistons. Our small port, high velocity 265cc cylinder heads are a cost effective choice compared to re-worked factory big block chevy cylinder heads. Oval port heads with relatively small intake runners work very well for street engines and small displacement big-blocks, because the oval ports will maintain good velocity in the airflow, and that promotes better fuel atomization. Holden Chevy 454 Big Block Big Valve Worked Heads Oval Port with Roller Rockers New Triple springs, Manley guide plates and studs Reconditioned resently All in good condition Asking $1200 complete o481094190. 1970 Big Block Chevy Bbc 396 402 454 Oval Port Heads 3964290 290 D-3-70 E-19-70 Oer D-port Ram Air Iii Exhaust Manifold Set 1970 Pontiac Firebird Trans. Brodix Race Rite oval port aluminum cyl heads that have the cnc option, titanium retainers,115cc. May be used with OEM or aftermarket carburetors, has dual pattern for spread bore Quadrajet or square bore Holley. bring you the ultimate in bolt on performance for your Big Block Chevrolet. Stage 1 labor only to YOUR Holley or Q-Jet cast iron, Oval Port BBC intake manifold is $795. The least expensive online catalog for all your Big Block Chevy Cylinder Heads needs. E-Street™ 290 Oval Port Complete Cylinder Head (Chevy Big Block V8) (50459) by Edelbrock®. Mounting clamp included. 880 stainless valves. The Edelbrock #60435 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. Big Block Chevy Multi-Port Power Pack Kit for Standard Deck, Peanut Oval Port heads: includes Holley EFI single plane intake 2500-6000 RPM Power Band and 1000cfm Throttle Body New Holley Big Block Chevy Multi-Port Power Pack kits are partially assembled and do not include an ECU, harness, fuel pump, injectors or sensor connectors. Big Block Chevy Sq Port 1969 427/435 hp Heads Comp Assemblies - $895 (Joplin) None of the oval port heads have any damage. Casting number 820 heads are similar to the 215 semi-closed head, but with less quench pad area. $500 Stock iron heads, oval port. The difference between the two is the shape of the ports and also the combustion chamber size. The Edelbrock #50459 E-Street cylinder 290 Oval Port heads are designed for Big-Block applications. Big Block Chevy heads are popular for truck pulling, off-road and restorations. To start i can buy a set of cast iron 049 cylinder heads ( $350) that have been ported and polished, flow benched, CC'd, the 049 has 112CC combustion chamber 255 Intake and 119 exhaust ports GM Performance oval port aluminum heads (12363392) have 110 CC combustion chambers 290 intake 110 exhaust. The sun will rise each morning, Newton's apple will fall, and if you are going to make power with a big-block Chevy, you have to use rectangle-port cylinder heads. ,sum aluminum ,call or text show contact info starting at 100 bucks ! do NOT contact me with unsolicited services or offers. For some time now I’ve been tossing around the idea of getting good aluminum cylinder heads for my 454 big block. There are also "semi-closed" chamber heads like the c/n 215 heads. When this new cylinder-head design was established, Chevrolet then decided to create two distinct versions of the cylinder head. Edelbrock E-Street Cylinder Heads Oval Port Big Block Chevy; Skip to the end of the images gallery. Original Big Block Chevy 396 "402" engine came stock bore. They have been cleaned and blasted. For sale 409 engines, 396 blocks heads engines, 427 block heads engines, 454 blocks heads engine and other parts for 1962-1972 Chevy big block muscle cars. the exhaust stands will then attach to the intake along with the head. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. This engine has run a best of 10. Our small port, high velocity 265cc cylinder heads are a cost effective choice compared to re-worked factory big block chevy cylinder heads. 385-inch I-Beam connecting rods, brings this internally-balanced big-block in right at 460 cubic inches. 040 over fresh rebuild that was built for a project custom P/U. Doing only this marginally reduces flow but it does considerably aid what seems to be a vital Chevy big-block power production requirement, namely, port velocity. This will help reduce turbulence and enhance flow. Intake Manifold Gasket - Composite - Oval Port - Brodix BB-3 Xtra O Heads - Big Block Chevy - Each Brand: Brodix These products may contain a chemical known to the state of California to cause cancer and birth defects or other reproductive harm. If you want a good streetable big block the oval port heads with roughly a 10:1 compression with a cam in the range of 550 to 579 lift with 280 lobe seperation should easily give you those power number. The new installment of our big-block heads shootout includes both oval port and rectangular port heads. CSI Automotive Sales, Service & Parts. How to Port and Polish Big Block Chevy Heads it only makes the port pretty and the expensive, ported heads easier to sell. We honestly. Big Block Chevy Sq Port 1969 427/435 hp Heads Comp Assemblies - $895 (Joplin) None of the oval port heads have any damage. Both sets of heads were thermo cleaned and mag for cracks and both check out good. Assault Racing Products PC3001 Big Block Chevy Dual Plane Oval Port Satin Aluminum Intake Idle-6000 RPM BBC. 04" with 1/2 radius. 060 over, new KB Hyperutectic pistons, forged rods with ARP bolt Steel Crankshaft and everything balanced at Eagle Oval port heads with Comp Springs, Stainless exhausts valves, Comp, long slot lifters, heavy duty 7/16 Pushrod. Oval-port heads are known to easily support up to 600 hp with the proper combination of parts; some builders have exceeded that mark by a considerable amount in special applications. The Edelbrock #50459 E-Street cylinder 290 Oval Port heads are designed for Big-Block applications. They have been fully re-built and blueprinted to spec. Pair of complete bbc heads open chamber peanut port,no cracks, from mid 70s truck. Chevy-Big Block; 14092360 oval port heads; Welcome to Club Hot Rod! The premier site for everything to do with Hot Rod, Customs, Low Riders, Rat Rods, and more. These heads were used by GM on 1965 396/325HP engines only. Designed for serious performance big block applications, they feature nitrous bosses, dual distributor holddowns, four corner water ports, and are available for both rectangular or oval port cylinder heads. The cylinder heads are GM Large Oval Port “781” castings with minor pocket porting done. I have a new Chevy HT502 big block crate engine that I've put in my '86 Chevy Dually. Chevrolet Performance service replacement cylinder heads are direct replacements on most 1990-and-later GM Big-Block 454-cubic-inch and 502-cubic-inch engines. When this new cylinder-head design was established, Chevrolet then decided to create two distinct versions of the cylinder head. BBC Chevy Big Block Heads 049 - $299. The sun will rise each morning, Newton's apple will fall, and if you are going to make power with a big-block Chevy, you have to use rectangle-port cylinder heads. Toggle Nav. For some time now I’ve been tossing around the idea of getting good aluminum cylinder heads for my 454 big block. Yes I have heard of that being done but I don't think that is something I would want to do to my oval port heads. First, from everything that I've read, putting bigger valves in a closed chambered head, like my '290's', doesn't help at all because the intake valve is shrouded even more than the smaller 2. I wanna know on average how much they flow when you do port matching, bowl work, and three angle seats and a back cut of the intake valves?. Big Block Chevy. When this new cylinder-head design was established, Chevrolet then decided to create two distinct versions of the cylinder head. cost of porting big block heads oval port and how big of a difference do you think it would make on a 230 horsepower 454 if im not specific enough just give a general. Sniper 174X-24° CNC Ported Big Block Chevy Cylinder Heads $4395. of torque combination with a 12-month warranty. Big block Chevy parts 4 bolt main block. These are a pair of Chevy Big Block Heads (Oval Port) serial #358049 date code is E-2-73. Pro Comp Aluminum Cylinder Heads are a great choice for an out of the box horse power upgrade for your Big Block Chevy. 72 exhaust. They have been fully re-built and blueprinted to spec. 00, labor only. casting # 6272292 crankshaft c Big Block Chevy 396 "402" (Red Bud) $2600. For decades, the big-block Chevy has dominated the streets, racetracks and offshore waters of the world with its mind-numbing torque and horsepower. It has always been the engine of choice for wild pro street machines, stock-class drag racers, off-road trucks, racing boats, tow vehicles and RVs. The Chevrolet "Big Block" is a term for a series of large displacement V8 engines that have been developed and produced in the United States from the 1950s until 2009. Find Big Block Chevy Aluminum Heads on sale here with the largest selection of Big Block Chevy Aluminum Heads anywhere online. Intake Manifold - Oval-Port, iron, spread bore • Economical iron 4-bbl intake manifold • Fits all 396-502 engines with large oval-port heads NOTE: Open carburetor spacer is not recommended with use of dual-plane manifolds. BF Series/9. Gasket Bbc - $35. If you have built your teenage dream car and put AFR oval ports on it than there is no doubt this is the cam for you. Street Warrior™ Big Block Chevy Intake Manifold for Oval Port Heads Weiand is proud to announce the availability of their new Street Warrior™ low rise dual plane Intake manifold for big block Chevy engines with oval port heads, P/N 8123. BIG BLOCK CHEVY 300cc OVAL PORT ALUMINUM HEADS BY SPEEDMASTER. big block chevy bbc weiand 7544 intake manifold oval port. I have a big block chevy casting # 10114182 and head casting # 10114156. 88-inch performance valves used in high-performance rectangular-port heads. They are being sold bare and the price you see is a for a set of heads. They’re mounted on our latest-generation block casting with four-bolt main caps, which is filled with an all-forged rotating assembly for exceptional strength and durability. Part# KB-MSP-10-EXT-454-1875 Kustom Bitz header plate to suit a big block Chevrolet V8 engine. Big Block Chevy Cylinder Heads. Utilizing a curve. They have been fully re-built and blueprinted to spec. Our small port, high velocity 265cc cylinder heads are a cost effective choice compared to re-worked factory big block chevy cylinder heads. For Parts, Set of chevy big blocl oval port heads, will post more pictures of them cleaned up, I also have a set of big block valve covers for Chevy and a stock cam with 2 flex plates also. Description: AFR's new 457cc 18° Big Block Chevy heads are our best performing highest flowing head in our BB Chevy lineup. These are Brand New Dart CNC 370 heads that have been black chromate coated for corrossion resistance. All this can be had for about 4 to 6 hours of work and the result, for a 13:1 496, is a relatively low-cost engine that easily exceeds 800 hp when used with a suitable cam and induction system. Heads are casting number 279 closed chamber, large oval ports with new seals. This is a new aluminum dual plane Air Gap intake for big block Chevy engines. Pro Comp Aluminum Cylinder Heads are a great choice for an out of the box horse power upgrade for your Big Block Chevy. Hi, I'm new to socal jet boats and fairly new to jet boating. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. Regards, Tom aka: 66cayne. If a vehicle was ordered with as "high-performance" with a big block, that engine received rectangular-port heads. Important note. Big Block Chevy Multi-Port Power Pack Kit for Standard Deck, Peanut Oval Port heads: includes Holley EFI single plane intake 2500-6000 RPM Power Band and 1000cfm Throttle Body New Holley Big Block Chevy Multi-Port Power Pack kits are partially assembled and do not include an ECU, harness, fuel pump, injectors or sensor connectors. TRACO Ported Big Block Chevy Rectangular Port Heads 3964291 Vintage Racing SWEET $2,950. Big block Chevy parts 4 bolt main block. He finished the block with a 9. 72 exhaust: Casting # Years: CID:. 880 Intake/Exhaust Valves, Oval Port, Assembly w/1. More "pedestrian" engines (read passenger car and truck), received the oval-port cylinder heads. Our small port, high velocity 265cc cylinder heads are a cost effective choice compared to re-worked factory big block chevy cylinder heads. The difference between the two is the shape of the ports and also the combustion chamber size. do NOT contact me with unsolicited services or offers. While the coupe engine uses a tall-deck 427 truck block with a 10. # 336781 made between 1973 and 85. $500 Stock iron heads, oval port. Casting number 820 heads are similar to the 215 semi-closed head, but with less quench pad area. All heads are made with A356 aluminum and are equipped with high quality components throughout. We offer a variety of Big Block Chevy Cylinder Heads for your automotive needs. Flow measured at 28" of depression. Rectangle Port. 40-394991-1.