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Engines & Components

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AFR 185cc SBF Enforcer Cylinder Heads

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.

4.52 out of 5 stars ( 21 )

$767.55

Summit Racing™ Pro LS Crankshafts

Summit Racing™ Pro LS forged steel crankshafts deliver industry-leading fit, finish, and durability at an affordable price. Order the model recommended for your year/make and engine application. Check out the long list of premium features: * 4340 forged steel * Tested to over 1,200 hp in boosted applications * Core hardened to optimum strength, then tempered to remove stresses * Nitride hardened, which results in less distortion, excellent case depth, and more fatigue life * Profiled counterweights reduce windage * Precision stroke and indexing * Lightening holes are drilled in the rod journals for quicker engine acceleration * Gun-drilled Main Journals for quicker engine acceleration * Each crank is magnetic particle tested to ensure it's free of flaws * Large radius fillets for increased strength, narrowed rod bearings for reduced friction * Straight shot oiling for maximum lubrication just prior to maximum load angle * Maximum journal tolerances of +/- .0001 in. ensure consistent bearing clearance * Micro-polished journals with chamfered oil holes for maximum durability and bearing life * Optimized counterweight placement for reduced twisting at high RPM and ease of balancing * High-quality reluctor rings are installed with precision fixturing * Extra 3/16 in. front keyway for blower cars

4.58 out of 5 stars ( 12 )

$839.99

Edelbrock Performer RPM Cylinder Heads

Edelbrock Performer RPM aluminum cylinder heads feature threaded inserts in the rocker studs and exhaust manifold bolt holes for superior strength and durability. They also include hardened seats, bronze valve guides, and fully machined valve cover rails for a more consistent gasket seal. These heads offer improved power throughout the RPM range for greater throttle response and top-end horsepower. Countless options are available; order the model recommended for your vehicle and engine application.

4.26 out of 5 stars ( 161 )

$780.50

$1,119.50

AFR 210cc LS1 Enforcer Cylinder Heads

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.

5.0 out of 5 stars ( 2 )

$780.15

AFR 335cc Enforcer BBC Cylinder Heads

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.

4.0 out of 5 stars ( 5 )

$1,023.75

Howards Cams Retro-Fit Hydraulic Roller Camshaft and Lifter Kits

Get more for your dollar with Howards Cams Retro-Fit hydraulic roller camshaft and lifter kits. You'll get more lift and power for less money with these street performance grinds. They're perfect for those wanting to upgrade to hydraulic roller cams. Howards manufactures their cams using the highest grade race-quality cores and precision-grinds their cams to provide the quality and performance that you want at a reasonable price. They've matched these hydraulic cams with a perfect set of their premium lifters. Overhaul your valvetrain for mild to wild street performance with Howards Cams Retro-Fit hydraulic roller camshaft and lifter kits.

4.56 out of 5 stars ( 68 )

$968.99

$1,059.99

Chevrolet Performance LSA Cylinder Heads

Chevrolet Performance LSA cylinder heads offer high-strength cast aluminum casting for your supercharged application with premium steel intake and Inconel exhaust valves. Offering high strength, high flow, and high performance, LSA assembled cylinder heads provide an advantage to doing a build your way. Chevrolet Performance delivers those power-building attributes to you with a range of production-style aluminum heads.

5.0 out of 5 stars ( 2 )

$912.99

Trick Flow® DHC™ 175 Cylinder Heads for Small Block Chevrolet

No longer will fans of the small block Chevy have to choose between vintage looks or modern cylinder head power—Trick Flow® DHC™ 175 cylinder heads give you both! Made from premium grade, lightweight A356-T61 aluminum, DHC™ 175 heads feature the exterior styling and straight spark plug holes that deliver the nostalgic appearance of the original factory performance 186, 291,461,462 "double hump" or "camel back" castings that customers want. To keep with the vintage design, the heads are available with 69' later or without 68' earlier accessory bolt holes cast into them. 60cc CNC-profiled combustion chambers combined with a state of the art valve job and CNC blended bowl work under the valves and small cross-section intake runners promote low-rpm torque increases and boost high-rpm horsepower. The runners are finished with Trick Flow's® superior Fast As Cast® process that precisely duplicates the runner profile and performance levels of fully CNC-ported heads without the added machining cost. Ductile iron valve seats for use with unleaded fuel, stainless steel valves, bronze alloy valve guides, multi-angle valve seat machining, and decks and walls cast extra thick for increased casting strength and to provide extra room for porting round out the features. Trick Flow® DHC™ 175 cylinder heads are available fully assembled or as bare castings. Sold individually.

4.8 out of 5 stars ( 20 )

$849.99

$874.99

Callies Compstar Xtreme Connecting Rods

All the quality, reliability, and workmanship you have relied upon for years from the Compstar lineup is taken to the Xtreme--Callies Compstar Xtreme connecting rods. Specifically designed for power adder and diesel applications, these rods utilize the same proven 4340 material and ARP 2000 or L19 fasteners. Strength was added by thickening up the flanges of the H-beam and a reduced depth-of-cut towards the center of each rod, then non-essential weight is taken out of the beam to help keep the overall weight of these Xtreme rods in check. Choose a set for your high output, boosted application.

Not Yet Reviewed

$928.00

$1,008.00

March Performance Sport Track Chevy Serpentine Pulley Kits

These March Performance Sport Track Chevy serpentine pulley kits are designed for the budget-minded engine builder with the same quality and innovation as the normal March Performance kits. They are designed to mount the air conditioning low and on the passenger side for a compact and clean appearance. The serpentine pulley kits will eliminate belt throwing and offer no-slip operation. These March Performance Sport Track Chevy serpentine pulley kits are manufactured from 6061-T6 billet aluminum and are available in black or silver powdercoated finishes.

3.77 out of 5 stars ( 56 )

$779.99

$1,044.99

Harland Sharp Original Roller Rockers

If you plan on adding performance to your street machine or building a serious racer, Harland Sharp Original Series roller rockers are recommended for you. Using the very latest manufacturing technology and only the very finest materials, the Original Series rockers incorporate race-proven enhancements, such as improved strength, performance, and lighter weight over conventional rocker arm designs. Don't settle for any old rocker arm--go with a true leader in roller rocker arm technology--Harland Sharp.

4.61 out of 5 stars ( 175 )

$796.99

$999.99

PRW Pro Series Shaft-Mount Rocker Arms

PRW Pro Series shaft-mount rocker arm kits are comprised of components from the finest manufacturers in the world. CNC machined billet steel pedestals, ground steel alloy rocker shafts, PRW alloy steel fasteners, and studs and bolts are included in the complete kits for a professional install. Each rocker body is relieved for extra valve spring clearance and anodized for added strength. Choose the kit designed for your vehicle.

Not Yet Reviewed

$775.05

$918.18

Trick Flow® Hydraulic Lifters and Lash Adjusters

No camshaft swap is complete without a new set of lifters. Treat your engine to the "good stuff" with new Trick Flow® hydraulic lifters or lash adjusters. Featuring durable hardened steel construction, these lifters and adjusters are a must when installing new cams—and are perfect replacements for worn or ticking lifters in used engines. The retro-fit roller lifters with vertical-style link bars are designed for a roller cam conversion in engines originally equipped with a hydraulic flat tappet cam. Overhead valve engines may require different length pushrods. The sets are available in a variety of fitment options for applications from 1955 and up.

4.26 out of 5 stars ( 46 )

$814.99

Isky Silver Series HPX Hydraulic Roller Lifters

Don't compromise your engine's performance or risk the well-being of your valvetrain with inferior lifters! Ensure consistent valve timing, efficient valvetrain operation, and maximum power with Isky Silver Series HPx needle-bearing hydraulic roller lifters. Isky Racing Cams uses advanced design and precision engineering to provide the quality that your ride deserves—find out for yourself when your order the Isky Silver Series HPX hydraulic roller lifters designed to fit your application.

5.0 out of 5 stars ( 10 )

$831.99

$853.99

Crower Enduro Stainless Steel Stud Mount Roller Rocker Arms

These proven rollerized rockers from Crower are made from 17-4PH stainless steel with 1025 heat treating. They feature premium oversized needle bearings, sure-lock rocker nuts, and alloy steel tip rollers. Their superior, lightweight body design provides plenty of clearance for large-diameter springs.

5.0 out of 5 stars ( 24 )

$975.99

$1,057.99

Briggs & Stratton 206 Racing Crate Engines

Briggs & Stratton 206 racing crate engines are factory-sealed long blocks with ground cams and controlled piston pop-up (reducing compression variance). These budget-friendly mills feature a simplified IKF/WKA rule set designed to maintain a stock configuration, right down to the factory-shipped carburetor jets. Simply put: the 206 engines even the playing field so that drivers can focus on the important task at hand--winning the race! Briggs & Stratton 206 crate engine features and specs: * Primary use: Karting, Microstocks, Jr. Drag Racing * Engines are assembled by hand in Milwaukee, WI using tooling and dies specifically designed for racing for unparalleled repeatability * Reinforced, cast iron sleeved, dual ball bearing racing cylinder * Single cast, custom aluminum alloy cylinder head with high-flow intake port, custom seat/guide material * Squeeze cast, T-7 heat-treated aluminum rod with reinforced I-beam * Carbon steel crankshaft with induction-hardened, micro-polished, crankpin-reinforced timing gear * Cam ground, barrel-faced, eutectic alloy piston with 3-piece ring set with chrome faced top ring * .255 max. lift ground cam with nitrited lobes and built-in mechanical compression release * High-silicon, racing-engineered valve springs * High-grade stainless steel dished valves with nitrited exhaust * 3-piece, automotive-style keepers and reinforced rocker arm and lock ball * PVL digital ignition with built-in 6,100 rpm rev limiter * PVL steel hub, cast aluminum flywheel * Briggs & Stratton tooled 22mm round slide, fully adjustable jet carburetor * Custom grafoil composition head gasket

4.71 out of 5 stars ( 7 )

$759.00

Peterson Fluid Systems Drag Race Dry Sump Oil Tanks

Peterson Fluid Systems Drag Race dry sump oil tanks add race-proven design and performance to your vehicle. These units have been verified by Kurt and Warren Johnson to provide excellent oil control with absolutely no blowing oil. They are offered with integrated catch can or breather fittings for use with an external breather can. Peterson Fluid Systems Drag Race oil tanks feature: * All-aluminum construction * Lightweight billet aluminum cap and rings * Built using high-quality spinnings * Hand TIG-welded and pressure tested * Fully baffled inside for oil and air control * Heater bung for immersion-style heater * Optional NHRA approved breather can

3.0 out of 5 stars ( 1 )

$934.99

$1,054.99

Callies Compstar Crankshafts

You're installing value without compromising quality with Callies Compstar crankshafts. Finished and inspected by Callies, Compstar cranks maintain proper geometry and design. Hardened with deep nitride, They're ideal for all types of abusive racing environments and available in a wide variety of strokes and journal sizes to fit most common cubic inch requirements. All rod journals are drilled and counterweights are profiled for piston clearance. Sometimes you need to race within a budget, but with Callies' consistent grind and polish, as well as their precise stroke and index, you don't need to compromise on quality. Choose Callies Compstar crankshafts--they're better by design.

4.6 out of 5 stars ( 10 )

$802.00

$1,051.00

Eagle Forged 4140 Steel Crankshafts

They're back! Eagle forged 4140 steel crankshafts fill the gap for more needed strength without the big price tag! Recommended for use up to 1,000 hp, these Eagle 4140 cranks will handle the performance demands of your competition engine, keep you on budget, and put a smile on your face! When you need more than a cast crank but don't want to step up to the more expensive 4340 steel model, Eagle forged 4140 steel crankshafts offer a lot of what you need for less dollars.

3.67 out of 5 stars ( 3 )

$776.99

$899.99

Summit Racing™ Pro SBC LS Firing Order Hydraulic Roller Cam and Lifter Kits

Summit Racing™ Pro SBC LS firing order hydraulic roller retrofit cams are available in seven stages--from a small smooth idle cam capable of towing, to a big duration stomper that's ready to go bracket racing. Utilizing the LS firing order on a traditional small block Chevy improves the engine in several ways, including exhaust sound and harmonic improvements. These kits include a premium camshaft and drop-in link bar style hydraulic roller lifters. Best of all: these Pro SBC LS firing order hydraulic roller retrofit cams are precision-ground in the USA on USA billets! Order the cam recommended or your application.

1.0 out of 5 stars ( 1 )

$915.51

Harland Sharp Heavy-Duty Roller Rockers

Don't trust your engine investment to just any no-name rocker manufacturer. Harland Sharp heavy-duty roller rockers are specifically designed for the heavy spring pressure and high-lift geometry of highly modified engines. They're also engineered with wider bodies, resulting in increased rocker strength and longevity. So, when your engine requires extra durability, use Harland Sharp heavy-duty roller rockers.

4.69 out of 5 stars ( 58 )

$858.99

$1,037.99

ARP Pro Series Cylinder Head Studs

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They're heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.

4.83 out of 5 stars ( 787 )

$788.99

$1,044.99

Crower Cutaway Severe-Duty Roller Lifters

Crower cutaway severe-duty roller lifters are a must for high-pressure, high engine rpm applications. These mechanical roller lifters feature a special alloy body, a lightweight design, and a heavy-duty blade that has been moved up to fit late model blocks. They are available in standard or offset sizes. Order the model designed for your specific application.

4.8 out of 5 stars ( 15 )

$758.99

$968.99

Trick Flow® PowerPort® 190 Cylinder Heads for Small Block Mopar

Trick Flow® PowerPort® 190 cylinder heads for small block Mopar engines are made from A356-T61 aluminum because it's much lighter but every bit as strong as cast iron. The intake runners have been enhanced to increase airflow, and both intake and exhaust runners feature Trick Flow's® special CNC Street Ported treatment that combines premium-quality CNC machining with a standard resolution finish that's perfect for making more power. That's not all! Newly designed rocker arm shaft mounting bosses are stronger than the OE design, and larger diameter pushrod holes have been incorporated to accommodate 3/8 in. pushrods for use with flat tappet and hydraulic roller camshafts. Bronze alloy valve guides, ductile iron valve seats, and multi-angle valve seats further increase performance and durability. Assembled cylinder heads include premium 11/32 in. stainless steel valves, Trick Flow by PAC Racing® valve springs, steel valve stem locks—and have chromoly and titanium retainer options. The heads fit all non-emissions 318, 340, and 360 engines found in many Chrysler vehicles from 1967-2003. You read that right: these heads fit both LA and Magnum-series engines, giving builders a truly "best of both worlds" scenario. That means Magnum builders can use readily available LA engine parts such as intake manifolds and valve covers. PowerPort® 190 cylinder heads are available fully assembled or as bare castings; sold separately. Order the model recommended for your year/make and engine application.

4.93 out of 5 stars ( 15 )

$949.99

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