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...

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Pro-X Racing Parts Wheel Bearings

Maintain your wheel centers with wheel bearings offered by Pro-X. Between riding and bike washing, wheel bearings take serious use and abuse. Pro-X wheel bearings are made to exact OEM specifications, to ensure maximum quality and performance. The Pro-X wheel bearings are offered as single or as set, and are a perfect match for your wheels, just the way you want it!

Not Yet Reviewed

$24.99

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$35.99

PSC Underdrive Serpentine Pulley Kits

Poorly engineered underdrive units can lead to a loss of power steering and poor voltage at lower rpm's. Add additional horsepower to your race car while keeping all systems go with PSC underdrive serpentine pulley kits. These smaller pulleys slow the system's rate of rotation, providing 5 to 15 hp gains at the wheels. The higher rpm's involved in racing allow for greater reductions, but should be approached cautiously on street vehicles. The pulleys in these kits are machined from aircraft-grade aluminum for incredible strength-to-weight ratios. When every bit of horsepower counts, equip your ride with a PSC underdrive serpentine pulley kit.

4.0 out of 5 stars ( 4 )

$75.00

Hybrid Racing K-Series Idler Bracket and Pulley Kits

Hybrid Racing K-Series idler bracket and pulley kits are designed to solve common issues in K-Swap engines by providing a reliable belt tensioning system. They replace the power steering pump with an idler bracket and pulley, keeping the OEM alternator and belt tensioner in place. These kits improve hood clearance, especially with rear-wheel-drive manifolds, and are compatible with most K-series engines (except the K24Z3). Key features and benefits: * Power steering delete: Replaces the power steering pump with a bracket and idler pulley to simplify the engine bay and improve hood clearance * Reliable tensioning: Ensures the alternator stays properly aligned and the belt is under correct tension, preventing issues like belt slippage or the alternator falling * Improved clearance: Offers more room for components, especially useful for cars with rear-wheel-drive manifolds * Includes a CNC-machined aluminum bracket, an OEM-style pulley, an OEM-quality bearing, and high-strength steel hardware * Designed for most K-series engines found in the U.S., Europe, and Japan * Allows you to keep or delete both AC and power steering, depending on your needs. How the kit works: * Replaces the factory power steering pump with a new idler bracket and pulley assembly * The OEM tensioner and alternator remain in the stock location * You will need to determine the correct belt size based on your specific engine and crank pulley diameter * The kit provides a simple way to ensure a properly tensioned and reliable accessory drive for your K-Swap engine

Not Yet Reviewed

$204.24

Pro-X Racing Parts Ball Bearings

Pro-X Racing stocks a wide variety of OEM replacement ball and roller bearings. Whether you need crankshaft bearings, steering, swingarm, or wheel bearings, Pro-X has them all—top-quality brands like KOYO, NTN, SKF, HIC, MBS, and more. They will enable you to rebuild your specific assembly to reliable and like-new specification. The bearings are available in a variety of styles and sizes. Order the parts recommended for your powersports application.

Not Yet Reviewed

$10.99

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$71.99

Moroso Drag/Road Race Oil Pans

Moroso drag/road racing oil pans are made with thick, precision laser-cut steel rails, and feature a 7 quart capacity that moves oil away from your rotating assembly, offering excellent oil control and horsepower savings. The pans' race-proven diamond shape, four trap door assembly, and anti-slosh baffles keep your oil contained in the oil pump pickup area during road and drag racing. Moroso drag/road race oil pans have a billet aluminum adapter with a 1/4 in. NPT sensor port that allows a 13/16th thread Moroso or OEM filter to be mounted in the stock location--no need to run a remote oil filter. These pans use a stock dipstick.

4.36 out of 5 stars ( 39 )

$526.99

ATI Super Damper Standard Harmonic Balancers

Patented ATI Super Damper standard harmonic balancers are the only crankshaft dampers designed exclusively for high performance engines. Inner and outer shells are available in aluminum or steel, and contain a steel inertia weight. The inertia weights have six (2-ring design) or eight (3-ring design) computer-machined grooves to retain the proper durometer O-rings (dyno tested for each application). Whether you race or just drive on the street, ATI harmonic balancers are the perfect choice. Features include: * Eliminates torsional crankshaft vibrations * Exceeds SFI 18.1 specs * Black zinc chromate finished * OEM equipment on a variety of crate engines * Tunable, rebuildable, and extremely efficient at all rpm * Laser-engraved 360 degree timing marks * Supercharger and power steering drive pulleys available for some applications

4.61 out of 5 stars ( 234 )

$478.50

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