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If you're looking for pistons with an unbeatable combination of performance and value, then Speed-Pro hypereutectic pistons are for you. These pistons are manufactured from aluminum alloy that contains 16 percent silicon for greater strength and wear resistance. They're also molded in the latest permanent-mold technology to ensure the precise fit and tight bore clearances that today's top engine builders demand. Hypereutectic pistons are ideal for use in high performance street, bracket, and oval track racing—and will work perfectly with normal ring end gaps. Choose the model designed for your vehicle and engine application.
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$423.99
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$298.50
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These high-strength, nodular-iron street performance balancers from Pioneer offer bonded balancer technology to meet the budget of every performance street engine builder from mild to wild. They also make great heavy-duty standard replacement balancers and are perfect for limited-spec race classes, such as late model stock, that require an OE-style balancer. The bonded dampening rubber in these balancers eliminates spinning and component separation, giving reliable performance in engines using up to 6,500 rpm. All Pioneer street balancers feature easy-to-read, permanently etched timing marks on the outer ring.
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$437.99
$124.50
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Mahle Original piston ring sets are designed to be installer-friendly. They are pre-lapped to seat immediately, virtually eliminating break-in time. Ring materials and coatings, as well as ring tension, are all optimized for reduced friction and extended life in each application. The compression rings feature a barrel-faced contact area for more efficient compression and CNC-controlled gap chamfer to optimize compression and reduce blow-by. Intermediate rings have a reverse twist design for better groove side sealing, and taper race machining to enhance contact. The CP-20 oil ring assemblies feature a 20 degree ear angle, an exclusive feature that provides the best possible side seal against the cylinder wall, and a special chemical polish on the oil ring expander offers enhanced oil drain back. Mahle Original piston ring sets provide unmatched quality and ease of installation, making them the rings of choice for today's engine builders.
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$58.99
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$239.99
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For three decades, Engine Works has delivered a comprehensive portfolio of high-quality, high-value, and high performance products for racers, engine builders, and weekend gearheads. These valve locks are machined from billet steel and are designed for stock or performance engines using 10 degree valve retainers. Whether you're rebuilding a stock engine or changing to valve springs that have more seat pressure, Engine Works locks offer excellent valve spring location and will provide the reliability you need.
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$23.71
$7.50
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K&N Powersports oil filters are designed to satisfy the needs of racers and engine builders as well as the average motorcycle or ATV owner who wants the best oil filter available. These filters trap harmful contaminants while their design allows for high oil flow rates. They are covered by K&N's limited warranty to be free from defects in materials and workmanship when installed and replaced using engine and equipment manufacturer's recommended service intervals. For a high-performance design with outstanding filtration, order the K&N Powersports cartridge oil filters best suited for your application. More product features include: * High-efficiency media with uniform pleats * Ideal for high-end synthetic motor oil
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KB Performance V-Twin piston and ring kits bring all of the knowledge and experience of a legendary engine builder to the world of high performance motorcycles. These pistons use the latest manufacturing techniques and standards to ensure quality and maximum available performance. The kits are offered in hypereutectic 390 alloy and forged 4032 low-expansion alloy. KB Performance V-Twin piston and ring kits are available for Harley-Davidson® and Indian motorcycles in a variety of engine sizes and compression ratios.
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Hastings Claimer Series Performance piston ring sets are for builders wanting value without sacrificing precision and performance. They start with top rings made from proprietary shell-mold cast iron with plasma moly impact-resistant alloy, providing a hard, yet lubricating, low-friction structure. The plasma moly coating improves wear resistance, reduces scuffing, traps lubricating oil, and is compatible with a wide range of cylinder bore materials. The 2nd rings are manganese phosphate coated. Claimer moly top rings are torsional positive twist and the 2nd rings are torsional reverse-twist taper face. Completing the set of Moly Claimer Performance rings are Hastings Flex-Vent oil rings that minimize friction, improve flexibility, and provide high-rpm oil control.
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$107.99
$87.50
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PAC Racing Hot Rod Series valve springs offer the engine and hot rod builder a mild upgrade or replacement for their hot rod. They are available in a variety of spring rates and diameters to accommodate your specific engine and camshaft profile.
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$25.54
$9.50
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Crower Super 7-degree valve locks are precision-machined from premium billet bar stock chromoly steel. Heat-treated for maximum strength to ensure against the shoulder shearing that is common with stock and lesser-quality keepers, they are color-coded for identification. Serious engine builders should have a complete selection on hand at all times.
Not Yet Reviewed
$320.99
$221.50
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L.A. Sleeve cylinder sleeves continue to be the solution for many riders, racers, and engine builders everywhere as an inexpensive way to reinvigorate your engine without having to resort to new cylinder replacement. The sleeves are manufactured from centrifugally-spun moly 2000 iron alloy castings, which ensures an easier installation and trouble-free boring (inside diameter must be bored and honed after install). And, by re-sleeving your engine's worn or seized cylinders during a rebuild, you'll save serious money while also enjoying a more dependable and long-lasting engine. The sleeves are available in nearly a hundred bore sizes; order the model recommended for your powersports application.
Not Yet Reviewed
$113.99
$57.50
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Without a doubt, Stef's Competition Eliminator dry sump drag race oil pans offer the maximum achievable horsepower possible through oil pan design. Obtaining and maintaining the level of superiority is only possible by "out of the box" thinking. Balancing exterior restraints, pan area, scavenge capabilities, and required windage screen area are all dictated by chassis, engine displacement, and the RPM range of the given combination. Stef's commitment to cutting-edge design is possible due to close working relationships with top engine builders across the country. Stef's engineers spend countless hours of R&D to provide the best, most cost-effective oil pan for your engine. By incorporating proprietary PTFE uni-directional screen design, proven baffling, and pickup location, Stef's can deliver unparalleled scavenging to produce maximum horsepower. The oil pans are available in different sizes and configurations for Ford small and big block, as well as Chevy small block applications.
Not Yet Reviewed
$1,073.99
$827.50
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