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Engines & Components

Engines & Engine Parts

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Engines & Engine Parts

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.

Part Groups

Results 1 - 24 of 207

Howards Cams Big Bottle 4/7 Swap Nitrous Oxide Mechanical Roller Camshafts

Cubes on juice need Big Bottle 4/7 swap cams from Howards Cams! Their nitrous oxide mechanical roller camshafts offer precision-ground, high-grade, race-quality cores to ensure top performance. These Howards nitrous cams are serious cams for serious street to all-out racing applications engineered with custom-designed lobes for 250 hp and above. The 4 and 7 swap firing order cams feature a 1-8-7-3-6-5-4-2 firing order pattern. What does that mean, exactly? It means moving the power stroke for cylinder 4 to where 7 used to be, and vice versa, and you have just changed the engine's firing order pattern to create more power. Are you looking for maximum performance? Match your N2O with these bottle-built Big Bottle 4/7 nitrous oxide mechanical roller camshafts from Howards Cams and enjoy the ride!

Not Yet Reviewed

$532.99

$589.99

On Sale

COMP Cams Nitrous HP Camshafts

COMP Cams Nitrous HP camshafts are designed to work with your nitrous system to get more power from your engine. Their unique intake lobes allow your engine cylinders to fill better, for more complete combustion. Meanwhile, their exhaust lobes are spread to decrease overlap and ensure maximum scavenging of your combustion chamber. The bottom line is an increased power boost from your nitrous system, without any loss of throttle response or torque in street applications.

4.58 out of 5 stars ( 12 )

$549.95


$288.95

$549.95

On Sale

COMP Cams Nitrous HP Retro-Fit Camshafts

COMP Cams Nitrous HP retrofit camshafts are designed to work with your nitrous system to get more power from your engine. Their unique intake lobes allow your engine cylinders to fill better, for more complete combustion. Meanwhile, their exhaust lobes are spread to decrease overlap and ensure maximum scavenging of your combustion chamber. The bottom line is an increased power boost from your nitrous system without any loss of throttle response or torque in street applications.

5.0 out of 5 stars ( 5 )

$549.95


$439.96

$549.95

Diamond Pistons Big Block 24/26 Degree Nitrous Dome Series Pistons

Diamond Pistons Big Block 24/26 Degree Nitrous Dome Series pistons are available for a variety of applications, including many Chevrolet V-8 engines from 1965-90. Forged from aluminum with single valve relief, these dome-style pistons are offered in different bore, stroke, and rod length sizes—along with several other options. Order individually or in a set of 8. Additional details: * 1,600 hp rated * Designed for nitrous applications * Forced pin oilers from the oil ring * Pin fitted * Vertical gas ports * 3-D dome and pockets * H-13 pins, locks and support rails (if required) included

Not Yet Reviewed

$154.00

$1,831.93

Diamond Pistons Small Block Chevy Nitrous Series Pistons

Diamond Pistons offers small block Chevy Nitrous Series pistons for a wide range of engine and cylinder head applications from the late 1960s and up. These forged aluminum replacements are available in numerous bore, stroke, size, and other configuration options. The sets feature: * Forced pin oilers from the oil ring * Pin fitted * Vertical gas ports * 3-D dome and pockets * Designed for nitrous applications * H-13 pins, locks and support rails (if required) included

Not Yet Reviewed

$134.00

$1,735.94

On Sale

JE Pistons Big Block Nitrous Series Dome Top Pistons

JE Pistons big block nitrous series dome top pistons have ring lands designed for nitrous applications. Valve reliefs are designed to accept oversized valves and long-duration, wide-lobe separation camshafts, and they are also compatible with angle milled heads. Precision CNC-machined grooves accept 1/16, 1/16, 3/16 rings. They fit open chamber cylinder heads.

Not Yet Reviewed

$199.99

$1,199.99


$179.99

$1,079.99

COMP Cams XE-R Supercharged and Nitrous Series Modular 4V Camshafts

COMP Cams XE-R supercharged and nitrous series modular 4-valve camshafts are designed for everyone from the serious street performance enthusiast to the all-out competition drag racer. XE-R supercharged and nitrous series camshafts from COMP Cams are available in a variety of mild-to-aggressive styles. They work with your supercharger or nitrous system to help provide the most power possible.

5.0 out of 5 stars ( 2 )

$1,905.95

Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts

Cubes on juice need Big Bottle cams from Howards Cams! Their nitrous oxide mechanical roller camshafts offer precision-ground, high-grade, race-quality cores to ensure top performance. These Howards nitrous cams are serious cams for serious street to all-out racing applications engineered with custom-designed lobes for 250 hp and above. Are you looking for maximum performance? Match your N2O with these bottle-built Big Bottle nitrous oxide mechanical roller camshafts from Howards Cams and enjoy the ride!

4.75 out of 5 stars ( 4 )

$459.99

$572.99

On Sale

JE Pistons Small Block Nitrous Series Dome Top Pistons

The rings lands, crown, and bottom band of JE Pistons nitrous series dome top pistons are specifically designed for nitrous applications. The valve reliefs accommodate most oversized valves and long-duration, wide lobe separation cams. Their precision CNC-machined ring grooves accept 1/16, 1/16, 3/16 rings, and hardened nitrous series rings are also available. These pistons will not fit Pro Topline or Brodix 11X cylinder heads.

Not Yet Reviewed

$1,024.99

$1,099.99


$922.49

$989.99

COMP Cams Nitrous HP Cam and Lifter Kits

COMP Cams Nitrous HP cam and lifter kits are designed to work with your nitrous system to get more power from your engine. The unique intake cam lobes allow your engine cylinders to fill better for more complete combustion. While, the exhaust lobes are spread to decrease overlap and ensure maximum scavenging of your combustion chamber. The bottom line is an increased power boost from your nitrous system, without any loss of throttle response or torque in street applications.

4.6 out of 5 stars ( 5 )

$390.95

$1,545.95

On Sale

JE Pistons Nitrous Series Gas Ported Pistons

JE Pistons nitrous series gas ported pistons have vertical and lateral gas ports that have been incorporated to optimize top ring seal and reduce friction. Ring grooves are machined to accept hardened nitrous series rings with .043 back cut top ring, 1/16 taper face second ring, and the 3/16 oil ring. Compression height figured using 9.800 in. deck height with zero deck clearance. Fits most chamber cylinder heads.

5.0 out of 5 stars ( 1 )

$199.99

$1,199.99


$179.99

$1,079.99

On Sale

JE Pistons HNS Hardened Nitrous Series Piston Rings

JE Pistons HNS hardened nitrous series rings are specially designed for use with turbo and nitrous applications. They have 20 percent more tensile strength than conventional ductile iron top rings. They're available in various heights in both standard and reduced radial widths.

5.0 out of 5 stars ( 2 )

$45.85

$270.99


$41.27

$243.89

Diamond Pistons 23 Degree Nitrous Dome Series Pistons

Diamond Pistons offers 23 degree Nitrous Dome Series pistons for a variety of applications, including many Chevy small block Gen I engines from 1968 and up. The forged 2618 aluminum dome-style pistons with two valve reliefs are available in a variety of bore and stroke sizes, rod lengths, compression heights, head volumes, and ring thicknesses. They're available individually or in sets of 8. Additional product details: * Forced pin oilers from the oil ring * Pin fitted * Vertical gas ports * 3-D dome and pockets * Designed for nitrous applications * H-13 pins, locks and support rails (if required) included

Not Yet Reviewed

$142.00

$1,735.94

Diamond Pistons 18 Degree Big Chief/Big Duke Nitrous Dome Series Pistons

Diamond Pistons 18 Degree Big Chief/Big Duke Nitrous Dome Series pistons are available for a variety of applications—including many Chevrolet V-8 big block engines from 1965-90. Forged from aluminum with two valve reliefs, the dome-style pistons are offered in different bore, stroke, and rod length sizes—along with several other options. Additional details: * Forced pin oilers from the oil ring * Pin fitted * Vertical gas ports * 3-D dome and pockets * Designed for nitrous applications * H-13 pins, locks and support rails (if required) included

Not Yet Reviewed

$154.00

$1,831.93

COMP Cams Nitrous HP Retrofit Cam and Lifter Kits

Get more power from your nitrous system! Comp Cams Nitrous HP retrofit cam and lifter kits are designed to work with your nitrous system. Their unique intake lobes allow your engine cylinders to fill better, for more complete combustion. Meanwhile, their exhaust lobes are spread to decrease overlap and ensure maximum scavenging of your combustion chamber. The bottom line is an increased power boost from your nitrous system without any loss of throttle response or torque in street applications.

Not Yet Reviewed

$1,152.95

$1,546.95

Summit Racing™ Pro LS Forged Pistons

The Summit Racing Pro LS forged pistons are affordable and built to withstand the rigors of high boost and nitrous. These pistons are forged from Premium 2618 alloy - the strongest made. They have specially profiled piston skirts, which allow them to run a tight piston-to wall-clearance for maximum ring seal and minimal friction. They have many other high-tech features too! • Maximum ring-land thickness for power-adders • Dedicated forgings for the best strength-to-weight ratio • Multiple compression ratios specifically targeted for 4.8L, 5.3L, 5.7L, and 6.0L engines • Designed around Premium file fit rings with Gas-Nitride or Plasma steel tops and ductile Napier second rings • Available in versions for Gen. 3 Press-fit, Gen. 4 Floating, and Aftermarket 6.125 rods • Standard and Stroker versions available • Generous valve reliefs that work with both Cathedral port AND Rectangle port heads • Pressure-fed pin-oiling • Pressure seal groove in 2nd ring land for increased seal. • High-Speed brush deburring to remove sharp edges that cause detonation • Ultra-Modern 2.250 pin forgings clear the reluctor rings with stroker cranks • Durable Chromium Steel wristpins. • Replacement Singles Available

4.57 out of 5 stars ( 70 )

$95.99

$649.99

ATK High Performance Chevy LS 408 Short Blocks

These ATK High Performance Chevy LS 408 short blocks are made to handle some serious power. The foundation of any high performance engine is a rock-solid short block, so ATK designed and developed these to be just that. They feature a fully forged, balanced, and blueprinted rotating assembly that is available in a variety of configurations to fit naturally aspirated, nitrous, and forced induction builds, as well as those with 24 and 58-tooth cranks. These ATK High Performance Chevy LS 408 short blocks include the following: * GM LS Iron blocks * Aligned and hone main bores * Manley 4340 forged crankshaft * 4.00 in. stroke * Manley 4340 H-beam connecting rods * Manley forged pistons

5.0 out of 5 stars ( 4 )

$4,828.99

$5,143.99

BTR V2 Series Camshafts

BTR V2 Series camshafts are designed for excellent performance and drivability. The V2 is a revised camshaft that provides more average torque, higher peak power, and a maximum depth heat treatment. The maximum heat treatment depth is achieved by using cam cores made within a few thousandths of final grind size. Numerous grinds for turbo, supercharged, and naturally aspirated engines are available for your project—all backed by years of experience, knowledge, and a passion for power. BTR V2 Series camshaft features include: * Revised camshaft center lines for increased average torque * Engine dyno verified to produce more power * Each "stage" has a specific cam core * Maximum heat treatment penetration

5.0 out of 5 stars ( 2 )

$409.99

Wiseco Sport Compact Pistons

Are people not looking twice at your sport compact? Give them more than a little surprise by installing a set of Wiseco sport compact pistons. These pistons are forged from either 4032 or 2168 aluminum alloy and are precisely CNC-machined to their final configuration. Where appropriate, designs incorporate the strength to deal with nitrous, turbos, or blowers. Chromoly wrist pins and Spirolox retainers are included. Order the size designed for fitment on your vehicle.

Not Yet Reviewed

$79.50

$1,086.99

Moroso Oil Preheater Cords

These Moroso oil preheater cords are replacements for Moroso oil preheater internal aluminum fittings. Moroso is one of the world's most respected suppliers of automotive equipment for racing and street performance applications. If you're looking for a dependable oil preheater cord, Moroso is the place to go.

Not Yet Reviewed

$32.99

Diamond Pistons Domestic Series Pistons

Diamond Pistons Domestic Series pistons are designed and tested for the high-stresses seen with high-compression, forced induction, or nitrous-fed domestic engines. Engineered with longevity, reliability, and strength, these forged aluminum pistons are specifically designed for your engine to deliver the results you demand. Diamond Piston Domestic Series pistons feature: * 3D milling on piston crowns for "ready-to-install" finish * Generous valve pockets designed to work with stock or oversized valves and various cylinder heads * Constructed from forged 4032 or 2618 aluminum alloy (where specified) * Premium 8620 or H-13 steel wrist pins (where specified)

5.0 out of 5 stars ( 2 )

$78.00

$1,871.98

ATK High Performance Chrysler Gen III Hemi 392 Short Blocks

ATK High Performance Chrysler Gen III Hemi 392 short blocks offer two robust bottom ends for your hot rod. One is perfect for your potent street or race build, while the other is designed for engines that will be running boost or nitrous. These Hemi blocks feature top-of-the-line Scat forged stroker kits. They include clocked camshaft bearings set to the OEM position, plus installed/sealed freeze plugs and oil galley plugs. You wouldn't build a house on sand, so don't start your big block Mopar build with anything less than ATK High Performance Chrysler Gen III Hemi 396 short blocks. Features, items, and specs may include: * Seasoned OE main block (ARP main studs with boost/nitrous version) * 3.927 x 4.050 bore/stroke * Scat 4.050 in. stroke crankshaft (internally balanced) * Scat 4340 forged 6.125 in. connecting rods with ARP bolts * Forged -2cc flat top pistons * Moly or Plasmamoly with steel top ring gapped for boost/nitrous piston rings (depending on application) * 81cc=9.9:1/85cc=9.6:1/89cc=9.2:1 compression ratio (based off .028 in. gasket)

Not Yet Reviewed

$4,199.99

$4,499.99

Wiseco Professional Series Pistons

Wiseco Professional Series pistons are designed to take the hard-driving abuse from your performance engine. They're forged from either 2168 or 4032 aluminum alloy for maximum strength, and then precision CNC-machined to their intricate final configurations under close tolerances. Where applicable, designs incorporate strength provisions to deal with turbocharging, supercharging, and nitrous. Chromoly wrist pins and Spirolox retainers are included. Choose the model tailored for your engine application.

4.78 out of 5 stars ( 9 )

$109.99

$1,152.99

Summit Racing™ Pro LS 6.0L Rotating Assemblies

Summit Racing™ Pro LS 6.0L forged rotating assemblies provide industry-leading fit, finish, and durability at an affordable price. These kits are tested to over 1,200 hp in turbo applications. They're available in a wide range of fitment and performance options. Standard features and specs may include: * 4340 forged steel crank * Core hardened to optimum strength, tempered, and nitride hardened * Lightening rod journals, gun-drilled mains, and profiled counterweights for better engine acceleration * Maximum journal tolerances of +/- .0001 to ensure consistent bearing clearance * Straight-shot oiling for maximum oil film strength at the maximum load angle * 4340 forged H-beam connecting rods * Designed for 5,000 ft./min. average piston speed in street and drag applications * 7/16 ARP 2000 rod bolts with 200,000 psi tensile strength; dual ribbed caps for maximum strength * Added stroker clearance and balanced to within +/- 1 gram per end * Full-floating and precision-honed in the USA to +/- .0001 in. * 2618 forged aluminum pistons * Ultra-modern 2618 alloy forgings for boost and nitrous with maximum ring land thickness * Pressure-fed pin oiling with durable chromium steel wrist pins * Specially profiled and coated piston skirts for stroker applications with tight piston-to-wall clearance * Generous valve reliefs for extra piston-to-valve clearance accommodate cathedral and rectangle heads * Premium steel piston rings * Steel top rings designed for maximum life with boost and nitrous * File-fit rings for maximum ring seal, reduced friction, and tensions optimized for wet sump engines * Martensitic ductile Napier-hook second rings for strength and maximum oil control * Premium main and rod bearings * Clevite H-bearings are designed for high-rpm operation in racing applications * Tri-metal bearings designed with high bearing crush for maximum retention * Medium eccentricity shells with precision wall tolerance of +/- .00015 in.

5.0 out of 5 stars ( 8 )

$2,514.87

$2,803.87

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