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On Sale
AFR's 335cc BBC Enforcer cylinder heads feature their Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners, and combustion chambers that allow for extremely accurate and repeatable port location/performance. These budget-friendly heads are perfect for your 509 to 540 cu.in. operating below 6,500 rpm. They come fully assembled with the identical components found in AFR's higher end CNC-ported cylinder heads—such as ARP rockers studs, PAC Racing springs, Viton® valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring seats, and AFR's one-piece 8mm 21 4N stainless steel valves. Order the cylinder heads recommended for your year/make and engine application.
( 5 )
$665.00
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$1,024.00
$598.50
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$921.60
On Sale
AFR 260cc LS3 Mongoose cylinder heads are 100 percent 5-axis, CNC-ported, and feature titanium retainers, A356 aluminum castings, and Pac Racing springs. These CARB certified heads require 4.000 in. or larger bore applications on up through 454 cu. in. engines operating at or below 7,000 rpm—and flow over 380 cfm at 0.700 in. lift and are designed primarily for street and strip applications. Other structural features include Air Flow Research's trademark 3/4 in. thick head deck, reinforced rocker stud bosses, and thick wall runners provide unparalleled durability. Use of AFR stud girdles and full roller rocker arms are required. When it comes to building power, start with these AFR 260cc LS3 Mongoose cylinder heads.
( 5 )
$3,490.00
$3,315.50
On Sale
AFR 195cc SBC Eliminator Street Heads are fully CNC-machined (combustion chamber, intake, and exhaust ports) and available in your choice of straight or angled plug versions. AFR 195cc heads feature a 75cc or 65cc combustion chamber with a 64cc exhaust port and a 3/4 in. thick head deck (ideal for nitrous or blower applications). Standard valves are lightweight 8mm, 2.050 in. intakes (competition versions are 2.080 in.) and 1.600 in. exhausts with AFR's hardened ductile iron interlocking valve seats. The valve springs included are intended for use on roller camshafts. The exceptional flow characteristics of AFR 195cc Eliminators, a 23 degree valve angle, and standard valve spacing make them the perfect street heads for 350 to 400 c.i.d. engines in the 2,000 to 6,500 rpm operating range. They carry CARB #D-250-2 when used on 1969-94 applications with the heat riser. Order the bare or assembled model recommended for your vehicle and engine.
( 40 )
$2,329.00
$2,212.55
On Sale
Deliver power-building airflow to your engine with Summit Racing™ Vortec cast iron cylinder heads. These heads outflow the early model small Chevy heads with wide-open intake runners, efficient combustion chambers, and a high-performance valve job. They are made from a strong cast iron alloy that makes them less brittle than comparable Vortec heads on the market. For performance and great value, select the Summit Racing™ Vortec cast iron cylinder heads preferred for your build.
( 74 )
$649.99
$499.99
On Sale
Airflow Research developed these 185cc SBF Enforcer cylinder heads for maximum small block Ford performance. They're manufactured from tough but lightweight A356 aluminum and feature 185cc intake runners and 64cc combustion chambers. Enforcer heads feature a 0.325 in. deck, stock valve locations, and are designed for blocks with a minimum bore of 4.000 in. The heads are available bare or fully assembled with stud mount rocker mounting.
( 21 )
$768.00
$691.20
On Sale
AFR 195cc SBF competition cylinder heads feature 100 percent CNC-machined intake ports, exhaust ports, and combustion chambers. Manufactured in A356 aluminum and assembled with high-quality components, these AFR 195cc SBF competition heads are recommended for displacements up to 408 cu. in., and operating up to 6500-6800 rpm. They are not compatible with OEM pistons. They are available with or without EGR and air pump, as well as with either 58cc or 72cc chamber sizes. Components for these AFR cylinder heads include: * Competition 5-angle valve job * 8mm bead lock intake valve * 8mm bead lock exhaust valve * PAC racing spring 1.270 in. O.D. hydraulic roller dual valve spring; 155 lbs. on seat, .650 in. maximum lift, maximum rpm 7000 to 7200 * 7 degree chromoly retainers * 7 degree bead lock valve keepers * 7/16 in. rocker studs * Adjustable 5/16 in. guide plates * Viton® valve seals * Hardened valve spring I.D. locator * Ductile iron intake valve seats 2.131 in. O.D x 1.680 in. I.D x .375 in. deep * Ductile iron exhaust valve seats 1.650 in. O.D x 1.350 in. I.D x .375 in. deep * Bronze valve guides * Air injector reducer bushing
( 3 )
$2,947.00
$2,799.65
On Sale
Recommended for aggressive street/strip builds with displacements up to 427 c.i. operating at or below 7200 rpm. Capable of flowing 328 cfm at 0.650 in. lift with a 4.000 in. bore size. AFR street legal 230cc LS1 Mongoose strip cylinder heads are specifically designed for Gen III Chevy Corvettes, Camaros, and trucks. LSX cylinder heads offer unmatched flow performance and feature 2.080 in. intake and 1.600 in. exhaust valves with their ductile iron interlocking valve seats. Mongoose strip heads are available with 62cc, 65cc, and 72cc combustion chambers. Structural features like AFR's trademark 3/4 in. thick head deck, a must for blown and nitrous applications, reinforced rocker stud bosses, and thick wall runners provide unparalleled durability. An exclusive new modern combination chamber design with a double quench pad area helps the LSX generate huge low and mid-lift airflow numbers.
( 7 )
$3,333.00
$3,166.35
On Sale
AFR 385cc Magnum BBC competition racing heads will feed your large displacement, high-rpm race engine the air it needs to deliver monster performance. The 385cc Magnum features AFR's trademark .750 in. thick head deck, A356 aluminum castings and Titanium retainers, as well as 100 percent CNC-ported intakes, exhausts, and combustion chambers to deliver the big flow characteristics to provide you with the power you need to win! Keep your monster engine both strong and powerful—allow it to feast on the plentiful airflow of the AFR 385cc Magnum BBC competition racing heads.
Not Yet Reviewed
$5,345.00
$5,077.75
On Sale
AFR 200cc SBC Enforcer Cylinder heads feature their Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners and combustion chambers that allow for extremely accurate and repeatable port location/performance. These budget-friendly heads are perfect for your 350 to 400 cu. in. operating below 6,000 rpm. They come fully assembled with the identical components found in their higher end CNC-ported cylinder heads, such as ARP rockers studs, Melling Racing springs, Viton® valve seals, AFR adjustable guide plates, machined bead valve locks, hardened spring cups and ductile iron seats, and their one-piece 8mm 21 4N stainless steel valves. The AFR 200cc SBC Enforcer cylinder heads are available in straight or angle plug, assembled or bare.
( 2 )
$789.60
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$790.00
$711.00
On Sale
AFR 300cc Magnum BBC cylinder heads are suggested for aggressive builds. They boast 100 percent CNC-ported intake, exhaust, and chambers—as well as A356 aluminum casting and high-quality components throughout. These oval port competition packages are available with hydraulic or solid roller springs; and bare or assembled style.
( 3 )
$4,194.00
$3,984.30
On Sale
AFR 210cc LS1/LS2/LS6 Enforcer cylinder heads are available in standard and small bore applications. They feature Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners, and combustion chambers that allow for extremely accurate and repeatable port location/performance. The budget-friendly heads are perfect for your OEM engine operating below 6,300 rpm. Fully assembled Enforcer models include the identical components found in AFR's higher end CNC-ported cylinder heads—such as PAC Racing springs, Viton® valve seals, machined bead valve locks (not stamped), hardened spring seats, and one-piece 8mm 21 4N stainless steel valves. The heads are available without any parts for the DIY. Sold as a single piece, two heads are required per engine.
( 2 )
$563.00
$506.70
On Sale
These bolts are made of a Grade 8 alloy and are heat-treated for extra strength. They feature a high hex head to prevent socket slippage and an extra-thick washer to allow for a more accurate, uniform torque.
( 8 )
$15.07
$10.05
On Sale
Holley aluminum LS valve covers will give your Chevrolet LS Series engines a totally new look. Manufactured from cast aluminum, they come in four different finishes, and feature a billet aluminum oil fill cap. Some valve covers in this series eliminate the need for the factory ignition coil bracket. Instead, the coils bolt directly to the valve covers for a nice angled look! Holley aluminum LS valve covers reuse the factory gaskets and bolts, will work with .750 in. lift camshafts using stock-style rocker arms, and fit all ignition coils with 72mm spacing.
( 144 )
$388.95
$260.10
On Sale
Are you building your own personal street/strip weapon? These AFR 195cc SBF Competition cylinder heads are designed for you. To make big horsepower, you need heads that can flow large amounts of air--that's where AFR, the masters of airflow come in. These heads feature a 195cc intake port, 70cc exhaust ports, and your choice of 58 or 72cc combustion chambers to complement your engine. To get the fuel and air in and out efficiently, AFR uses lightweight 8mm 2.050 intake valves and 1.600 exhaust valves. The thick deck makes these heads ideal for nitrous or blower applications with the optional nitrous/blower exhaust port. These heads are most at home on performance engines operating primarily between 2,000 and 7,000 rpm. Dominate the street and strip with the help of AFR and these 195cc SBF Competition cylinder heads.
( 1 )
$2,947.00
$2,799.65
On Sale
If huge horsepower is what you're searching for, then AFR 345cc Magnum BBC cylinder heads will certainly deliver. They're recommended for radical street/strip, Pro Street, or racing applications on engines up to 572 cu. in. operating below 7,000 rpm—and are capable of flowing 400 cfm at 0.700 in. of lift. These A356 aluminum heads are designed for maximum horsepower and rpm capability, with an average primary operating range of 3,500-8,000 rpm; they also provide impressive torque figures. AFR recommends the use of .120 in. wall pushrods and full-roller rocker arms for strength. It's vital that you check clearance of all moving parts due to the vast array of rocker arms, lifters, cams, springs, etc. Don't forget to check pushrod-to-head clearance, as well as any potential interference from your rocker arms and spring assemblies prior to final engine assembly. AFR 345cc Magnum BBC cylinder heads come standard with AFR's trademark 3/4 in. thick cylinder head deck, reinforced rocker stud bosses, and premium one-piece stainless steel 2.300 in. intake and 1.880 in. exhaust valves.
( 4 )
$4,051.00
$3,848.45
On Sale
MSD timing pointers are CNC-machined from 6061-T6 billet aluminum. These adjustable pointers are fully machine lightened; and each of the main bodies—as well as adjustment assemblies—are black anodized for long-lasting corrosion protection. They are built as direct-fit components, and various part numbers are available to fit multiple-size balancers. MSD timing pointers are designed to work on small block Chevy, big block Chevy, and small block Ford engines. They have a 4-degree range of movement for you to find the precise timing location. Stainless steel hardware is also included.
( 44 )
$71.99
$40.58
On Sale
Why reuse your old dowel pins when you have machine work done on your block? I can't think of a good reason, especially when these Mr. Gasket dowel pins are inexpensive and readily available. They are made from high quality steel, precision machined and case hardened for accurate cylinder head alignment.
( 4 )
$17.19
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$20.29
$9.69
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$11.44
On Sale
QuickTime offers bellhousing accessories, including these dowel pins, to help you to complete your project. They're made from quality material and are designed to correct the improper register bore alignment of bellhousing to your engine crankshaft center line.
( 4 )
$83.35
$46.99
On Sale
These Grade 8 alloy head bolts from Mr. Gasket are a great way to attach your new heads to your block. They are a longer length to compensate for thread length lost when using head bolt washers. They are available in a variety of applications.
( 3 )
$73.89
$41.66
On Sale
Holley LS engine accessory drive kits offer simple, clean, cost-effective solutions when swapping a GM LS engine into a muscle car, truck, hot rod, or any other vehicle. These bracket kits deliver a factory-style appearance, correct belt alignment, and factory stability. They fit virtually all common LS engines, regardless of water pump and harmonic balancer offsets—reducing cost and complexity. Holley LS engine accessory drive kits position the A/C compressor high above the crossmember, but below the hood line, for an easy installation. The brackets are manufactured from diecast aluminum with a natural, polished, or black finish. (An application-specific installation kit is required, but sold separately.)
( 52 )
$469.95
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$603.95
$265.01
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$341.22
On Sale
Looking for an easy way to advance or retard your cam? Look no further than these bushing sets from Mr. Gasket. Use the bushings to advance the cam for more low-end torque and mid-range horsepower, or reduce excessive low-end torque and increase top-end horsepower by retarding the cam. These sets include four offset bushings and one zero degree bushing to return your timing back to stock.
Not Yet Reviewed
$48.61
$27.48
On Sale
Agility Auto Parts offers a full line of engine oil pans covering 90 percent of North American vehicle applications. They are leak tested and manufactured with high-quality steel and/or aluminum leading to superior durability. All Agility oil pans are built to meet or exceed OEM specifications, ensuring an easy installation, proper fit, and proper function. Choose the pan designed for your vehicle. Benefits: * Durable electrostatic paint provides increased corrosion protection, as well as prevention of static charges * High-quality drain plug threads prevent the stripping of the plug during maintenance, increasing the life of the oil pan
( 1 )
$59.99
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$419.99
$53.99
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$377.99
On Sale
Genuine Holley Quality Parts offer Holley tensioner spacer kits for your R4 accessory tensioners. Spacer and hardware are included to provide additional support and clearance.
Not Yet Reviewed
$27.69
$15.61
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