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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.
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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.
( 60 )
$509.99
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$1,879.99
Granatelli Motor Sports Valve Covers
Granatelli Motor Sports valve covers give your engine a super clean look! Manufactured from either cast or billet aluminum, they come in different finishes and include an aluminum oil fill cap. One of the great features of these covers is the elimination of the ugly steel factory coil bracket—Granatelli valve covers float the coils directly from the covers with a functional angled look. The tall version LS valve covers include new stanchions and gaskets. They are designed to work with .750 in. lift camshafts using stock-style rocker arms and fit ignition coils with 72mm spacing. Order the valve covers designed for your vehicle application.
( 2 )
$205.49
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$249.38
March Performance Sport Track Ultra All-Inclusive Chevy Serpentine Pulley Kits
Rubber V-belts were first introduced into automobiles back in 1917—and it took over 60 years to find a suitable replacement. March Performance Sport Track Ultra all-inclusive Chevy serpentine pulley kits are the perfect upgrade for lower performing V-belt pulleys. Serpentine belts are more efficient, thicker, reduce slippage, and last longer—and since they use just one tensioner, all the components can be solidly mounted to the engine. These kits include a unique reusable belt tensioner tool which allows you to easily make adjustments, then remove and store the tool till needed. March uses precision CNC construction with 6061-T6 aluminum for a precise fit and solid strength, along with high-quality components and brackets; all mounting hardware is included. There are many advantages to serpentine belts, and with the incredible fit, finish, and construction of March Performance Sport Track Ultra all-inclusive Chevy serpentine pulley kits, you'll get performance and style all in one.
( 3 )
$1,494.99
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$2,119.99
Scat Pro Sport H-Beam Connecting Rods
These H-beam connecting rods are the strongest Scat connecting rods available. These Scat H-beam connecting rods are perfect for supercharged and nitrous applications. These rods incorporate a special doweled cap for specific cap-to-rod alignment and are profiled with extra clearance for stroker applications.
( 43 )
$98.99
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$944.99
Granatelli Motor Sports Valve Cover Breathers
Granatelli Motorsports valve cover breathers are a beautiful finishing touch for your valve covers. Made from high-quality materials, they are available with or without vacuum ports.
( 11 )
$15.96
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$50.69
On Sale
Moroso Sport Compact Oil Pan Stud Kits
Moroso sport compact oil pan stud kits are designed to simplify pan installation and extend gasket life. They screw into the block and stay there, allowing repeated removal and reinstallation of the pan without stripping aluminum block threads. They have an Allen head socket at one end to facilitate installation. The lock nuts feature attached washers with serrated faces to provide positive grip on the pan rail, and the studs are cadmium and zinc plated to resist corrosion.
( 3 )
$50.99
$45.89
Instant Rebate
Mahle Sport Compact Piston Wrist Pins
A piston wrist pin is the critical link between your connecting rod and piston, and is constantly subjected to extremely high loads, as well as bending forces from the connecting rod. Mahle sport compact piston wrist pins are machined from the finest steel to specific tolerances, making them high-strength and lightweight to successfully survive the loads and forces put upon them. Available in several sizes, choose Mahle piston pins for your sport compact.
Not Yet Reviewed
$39.36
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$49.23
ATI Super Damper Sport Compact Harmonic Balancers
Factory dampers and non-dampened pulleys offer no protection to high performance engines. ATI Super Damper sport compact harmonic balancers provide the balanced dampening of torsional crankshaft vibrations at all rpm levels. The street versions have both OEM serpentine groove locations and are very close to OEM size. The smooth-shell race version dampers are designed for high performance race use. Both dampers come with laser-etched timing and exceed SFI 18.1 Safety Certification standards for competition use.
( 14 )
$358.40
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$461.15
Manley Sport Compact Valve Locks
Manley Sport Compact valve locks are manufactured from premium-quality, heat-treated steel. They are machined to exacting tolerances to ensure a proper fit with the valve spring and retainer. They feature a special beadlock groove that affords minimal vertical movement, especially when a valve float is present, for enhanced service life. Try these Manley Sport Compact valve locks for your performance engine rebuilds.
( 1 )
$6.48
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$51.77
Granatelli Motor Sports Vented Oil Fill Caps
Granatelli Motor Sports vented oil fill caps will eliminate the need to modify your valve covers when adding a catch tank to your racing engine (required by most sanctioning bodies in racing applications). An internal baffle inside the cap helps reduce transfer of oil to the catch tank. These billet aluminum vented oil fill caps screw into the valve cover like an ordinary cap and are made to fit stock or fabricated valve covers. They also serve as a thread adapter for a -10 AN ORB threaded breather. Order the cap style you need.
( 1 )
$19.95
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$24.94
Granatelli Motor Sports Valve Cover Baffles
If you are baffled by oil spitting out of your breathers, Granatelli Motor Sports valve cover baffles allow you to install a breather on your valve covers or add an additional breather. This prevents oil from entering the breather, thus extending the life and performance of your engine. No more oil leaks!
( 3 )
$50.69
Billet Specialties Sport Trac Serpentine Systems
Billet Specialties Sport Trac serpentine systems bring value, style, and quality to your engine compartment. Sport Trac systems feature precision-machined brackets for flex-free operation, laser-straight belt alignment, and ease of installation. Each of the Billet Specialties brackets are finished in satin black powdercoat for a classic look, while the pulleys are hardcoat black anodized for durability, plus quality stainless hardware is used throughout for superior corrosion protection. Starting off with a strong foundation ensures quality; Billet Specialties Sport Trac serpentine systems are completed with the best components for reliability and long life. Sport Trac serpentine systems include: * 170 amp one-wire alternator * AC Compressor * Aluminum power steering pump and reservoir * Power steering hard line for pressure side * Tensioner * 6-rib serpentine belt * Precision-machined brackets and pulleys * Precision-machined AC compressor manifold
Not Yet Reviewed
$1,651.95
Manley Sport Compact Valve Springs
Wound from super-clean alloy, Manley sport compact valve springs are designed to handle the demands of aftermarket camshafts. Several applications are available to suit your needs.
( 2 )
$6.64
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$340.58
Wiseco Sport Compact Piston and Ring Kits
Wiseco sport compact piston and ring kits give you stronger pistons and tighter tolerances than any other part in your engine, with less internal and external machining. Wiseco's advanced forging process and extensive heat-treating and finishing processes ensure the performance and reliability that you demand from your engine. These kits' crown thickness and ring lands are designed for power-adders like turbos and blowers and nitrous oxide. They come complete with high-quality piston rings. Whether you're on or off of the street, you can depend on the maximum strength and minimum variance of Wiseco's aluminum-forged pistons for your sport compact vehicle. Choose the kit recommended for your make and engine application.
( 5 )
$191.99
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$1,218.99
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
$124.99
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$1,086.99
Granatelli Motor Sports Valve Cover Grommets
Granatelli Motor Sports valve cover grommets are designed to plug the oil fill hole on your Granatelli valve covers. Made from high-quality material, these grommets are the perfect replacement for a tight seal and reliable operation.
Not Yet Reviewed
$11.96
JE Pistons Sport Compact/European Pistons
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for European, import, and sport compact applications. Engineered, forged and machined, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. JE Pistons sport compact/European pistons are engineered for extreme applications, up to and including professional competition. In this environment, the higher compression ratios, highest boost, or heavy nitrous usage necessitate the higher tensile strength of 2618 aluminum alloy. Their domed or dished tops require no deburring or preparation and feature smooth-flowing radii for excellent flame travel. High-quality wrist pins, locks, and JE Pro Seal premium piston rings are included. JE Pistons' performance has been proven in victory lane time and time again. Available individually and in sets, equip your engine with the best in forged pistons. Features: * Designed specifically for each engine and use application to provide optimized performance durability * Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin * Skirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise * Accumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent power
Not Yet Reviewed
$49.50
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$1,874.99
Diamond Pistons Sport Compact Series Pistons
Diamond Pistons Sport Compact Series pistons are ideal for either the street or the drag strip. These forged aluminum pistons are significantly stronger than the factory pistons allowing your engine to handle that extra horsepower. Diamond Pistons Sport Compact Series pistons feature: * 3D milling on piston crowns for "ready to install" finish * Side gas ports for better ring seal * Moly skirt coating for friction-loss and skirt-wear protection * Oversized valve pockets for "larger than stock" valve sizes * Forged 2618 or 4032 aluminum alloy (where specified) * Premium 8620 or H-13 steel wrist pins (where specified)
Not Yet Reviewed
$118.00
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$1,235.97
Callies Compstar Sport Series Crankshafts
Callies Compstar Sport Series crankshafts are intended for high-rpm, high-output engines. They are finished with the same care and detail as the entire line of Compstar crankshafts, including Callies' stringent quality control final check. All Sport Series crankshafts by Compstar are balanced and ready for assembly, and they feature the best metallurgy and heat treatment on the market today. Choose the ideal crankshaft designed for your vehicle's engine.
Not Yet Reviewed
$1,506.00
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$4,612.00
Continental Powerstreak Sports Vehicle Belts
Continental Powerstreak sports vehicle belts are built for speed, with high horsepower capacity and top-end performance. They're stronger than steel and help to reduce heat buildup. These belts are designed for incredibly long life under even the most rugged conditions. The secret is the Flexten cord, which, pound for pound, is five times stronger than steel. A special tire cord supports the Flexten cord for extra load-carrying capacity, and a Flexten fiber cushion increases heat resistance. They also feature fabric-covered cogs for long belt life.
( 1 )
$16.99
ATI Super Damper Serpentine Series Harmonic Balancers
ATI Super Damper Serpentine Series harmonic balancers are patented and feature grooves for serpentine belts machined into the outer damper shell. The dampers come with six outer grooves for standard OEM drive systems—but eight and 10 grooves are available for supercharger or turbo applications. Serpentine dampers are offered in a variety of diameters, and crank hubs may be fitted with a 6-groove serpentine pulley to drive external oil pumps or vehicle accessories. The Serpentine Series Super Dampers fit all ATI GM-front crank hubs and can be adapted to many engine combinations, providing maximum flexibility. They're available in steel or lightweight, hardcoated aluminum. Features and benefits: * Eliminates torsional crankshaft vibrations * Exceeds SFI 18.1 specs * Black zinc chromate finished * Tunable, rebuildable, and extremely efficient at all rpms * Laser-engraved 360 degree timing marks
( 250 )
$467.49
Summit Racing™ Pro GPX Gas Ported Piston Rings
You may have heard of gas ported pistons in high-end racing engines. Summit Racing™ Pro GPX gas ported rings add this performance to ANY non-gas ported (or even gas-ported) piston. They are also a great way to juice up cast and hypereutectic pistons for little extra money. How do they work? With a series of perfectly oriented slots on the top side of the top piston compression ring, the combustion pressure reaches the inside the ring groove and fully activates the ring sooner and longer for better seal. This not only makes more horsepower; it dramatically reduces blow-by and reduces or even eliminates the need for a catch can. Other benefits? Because the rings are always rotating and directly exposed to the detergents in the oil, these ports stay clean without carbon buildup that fouls out gas ported pistons over time for longer term performance. Since the rings are only activated at high pressures and no part of the cylinder sees the load repeatedly, the engine will last a long time. Nearly all our Summit™ GPX gas ported rings use top-tier nitride steel top rings, ductile seconds, and premium quality stainless oil rings. Better yet, we have them in nearly every popular bore and thickness for virtually any brand or configuration on the market. If you want to pick up power and performance, Summit Racing™ Pro GPX gas ported piston rings are the new standard at a great value!
( 15 )
$33.99
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$34.99
Instant Rebate
Mahle Performance Piston Rings
Mahle Performance piston rings evolved from their pioneering use of piston ring simulation and computer development tools to develop rings that provide "free" horsepower by successfully minimizing friction. A large selection of coordinated piston ring sets is available in a variety of sizes, designs, materials, and coatings designed to exceed your high performance requirements. The difference is evident on the dyno and on the track. Features and benefits of Mahle Performance piston rings: * 1mm and 2mm steel top rings with patented HV385 supersonic thermal-spray process applied for superior bonding, increased durability, and increased scuff resistance * 1.5mm and 1/16 in. positive-twist, ductile iron, barrel-faced, plasma-moly inlaid top rings * Sport compact ring sets ranging from 81-100mm with steel-nitrided top rings * Traditional, reverse-twist, taper-faced (RBT) cast iron second rings * Tapered Hook Groove (THG) second rings that offer superior oil control when compared to traditional RBT rings * 3-piece style oil control rings in both standard and low tension * Standard-tension expanders are sold separately for select low-tension rings where increased oil control is necessary * CP-20 design oil rings that are easier to install; chemically polished for better oil drain-back with a 20 degree ear angle to ensure side seal around the ring
( 56 )
$5.70
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$432.61
Continental Extreme-Duty Series Poly-V Belts
Continental Extreme-Duty Series Poly-V belts provide up to 4 times longer wear than the original belts in the aftermarket Class 6 to 8 heavy-duty trucks. Offered in different rib profiles, these straight-ribbed belts feature high-abrasion-resistant fabric coated with advanced EPDM polymers to resist cracking and heat build-up, along with increased cord support and improved flex life. Continental Extreme-Duty Series Poly-V belts perform better under higher underhood temperatures, resulting in lower emission standards and meet or exceed SAE J1459 specifications.
Not Yet Reviewed
$35.99
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$99.99
