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Sierra Marine offers high-quality replacement pistons for a variety of watercraft engine applications. The forged aluminum pistons with rings are available in different bore sizes. For rebuild or maintenance, restore the performance you expect with the piston model recommended for your boat.
Not Yet Reviewed
$27.50
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$78.99
Clearance
Sierra Marine piston rings are available in numerous sizes, thicknesses, and materials to complement your pistons. These OE replacement ring sets serve a variety of important roles, including sealing the combustion chamber, improving heat transfer from the piston to the cylinder wall, and regulating engine oil consumption. Order the rings designed to fit your application.
Not Yet Reviewed
$32.99
$16.50
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$41.99
Diamond Pistons Marine Series pistons are ideal for your high-demand boats. These forged aluminum pistons are significantly stronger than the factory pistons allowing your engine to handle that extra horsepower, high-rpm operation and long hours on the water. Diamond Pistons Marine Series pistons feature: * 3D milling on piston crowns for "ready to install" finish * 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
$1,527.03
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$1,662.99
The Wiseco legacy is rooted in 2-stroke piston manufacturing and performance, dating back to 1941--over 80 years ago. Today, their pistons are the result of decades of experience, incorporating the latest in 2-stroke piston manufacturing and design to deliver the performance Wiseco built its name on. Wiseco Marine Forged Series 2-stroke piston kits are engineered, designed, and machined for each specific engine. The improved tensile strength of the forged aluminum material optimizes strength and service life, while these dedicated forgings, along with additional lightening operations, allow for optimized strength-to-weight ratio. Each Wiseco forged piston kit includes high-quality piston ring(s), wrist pin(s), and circlips. Select the kit with the proper specs for your marine engine.
Not Yet Reviewed
$83.99
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$108.99
The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, their forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for. Wiseco Marine Forged Series 4-stroke piston kits are engineered, designed, and machined for improved tensile strength and service life, while dedicated forgings allow for optimized strength-to-weight ratio. Each Wiseco forged piston kit includes high-quality piston ring(s), wrist pin(s), and circlips. Select the kit with the proper specs for your marine engine.
( 1 )
$93.99
Wiseco powersports 2-stroke forged series piston kits include your rings, piston pin, and circlips. Wiseco has a decade of experience producing quality pistons for dirt bikes, motorcycles, ATVs, snowmobiles, and outboard marine engines. Their piston kits provide strong, lightweight pistons with optimized designs that improve engine efficiency and maximize your torque and throttle response. Plus, Wiseco powersports piston kits are produced right here in the USA. It's time to blaze your own trail with these Wiseco powersports piston kits! Order the 2-stroke Forged Series piston kit designed to fit your application.
Not Yet Reviewed
$83.99
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$305.97
Wiseco 2-stroke piston rings improve the overall function of your pistons and powerplant to maximize performance and keep you firing on all cylinders. Manufactured to optimize piston lubrication and reduce friction, ensuring longer performance from the heart of your engine, these rings are crafted from various metals and with specific finishes for both street and track. The 2-stroke rings are intended for use in cast iron, NikaSil, boron composite, and electrofusion bores; certain rings are designed for limited coatings, such as CSM and CDM model rings with chrome bores. Just match up the specs from your motorcycle with the size and type piston ring replacements you need. You can always depend on race-proven technology from Wiseco!
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$44.99
Whether it's a car, truck, motorcycle, marine, or performance racing application—properly sealing the piston to the engine block is a requirement. Hastings premium ductile ring sets do just that, and they're offered in many different options to fit virtually any piston. If the engine you're working on is blowing smoke, using excessive oil, or at a loss for power, it may be time for new rings. These premium ductile piston ring sets are great for rebuilds or new builds, daily drivers or performance vehicles. Order the sizes needed for your project.
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$7.50
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$440.99
Whether it's a car, truck, motorcycle, marine, or performance racing—properly sealing the piston to the engine block is a requirement. Hastings Piston ring sets do just that, while being offered in many different options to fit virtually any piston out there. If the engine your working on is blowing smoke, using excessive oil, or at a loss for power, it may be time for new rings. Hasting piston ring sets are great for rebuilds or new builds. Hastings has been manufacturing piston rings since 1915 and they have not spent a second developing anything but piston rings. Trust the professionals at Hastings and use them on your next job.
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$9.50
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$391.99
Sealed Power plasma-moly piston ring sets feature heat-resistant plasma-molybdenum facing material. Plasma-moly is a relatively soft and porous ring facing with excellent oil carrying capacity and fast conformability (break-in) to the cylinder bore surface. They are a premium part of the comprehensive line of Sealed Power engine components that provide innovative designs, use leading edge materials, and utilize ISO and QS certified manufacturing to deliver top-quality products that meet the rigorous demands of both classic and today's modern engines. Features of and benefits of Sealed Power plasma-moly piston ring sets include: * Improved bond strength of plasma-moly provides excellent resistance to flaking * Controlled porosity of the coating results in improved top ring lubrication * Variety of top ring materials * Decreased friction * High melting point of moly for very high resistance to scuffing * Exacting tolerances * Meets or exceeds OEM specifications * Recommended for street use, marine use, and for racing where file fitting is not required
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$22.99
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$159.99
KB Performance Hyper piston and ring kits are offered for a wide range of applications from street and towing to marine and race. The kits feature pistons cast from 390 hypereutectic alloy heat-treated to T-6 standards to make them stronger. The pistons also feature fully machined crowns and valve pockets. KB hypereutectic pistons come in several head designs, as well as standard and oversized bore sizes. All KB Hyper pistons are lightweight to improve throttle response and rpm changes, while still being strong enough to withstand high compression and high temperatures. KB Performance Hyper kits (KT) are completed with piston ring sets containing top rings of moly-coated cast iron (M) or ductile iron (D).
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$148.99
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$729.99
Wiseco powersports piston kits include your rings, piston pin, and circlips. Wiseco has a decade of experience producing quality pistons for dirt bikes, ATVs, snowmobiles, outboard marine engines, and motorcycles. Their piston kits provide strong, lightweight pistons with optimized designs that improve engine efficiency and maximize your torque and throttle response. Plus, Wiseco powersports piston kits are produced right here in the USA. It's time to blaze your own trail with Wiseco powersports piston kits.
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$93.99
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$1,019.97
Wiseco powersports piston kits include your rings, piston pin, and circlips. These 2-stroke kits feature Pro-Lite pistons that are CNC-machined for optimal cam shape and profile, horsepower, and service life. Wiseco has a decade of experience producing quality pistons for dirt bikes, ATVs, snowmobiles, outboard marine engines, and motorcycles. Their piston kits offer strong, lightweight pistons with optimized designs to improve engine efficiency and maximize your torque and throttle response. Plus, Wiseco powersports piston kits are produced right here in the USA. It's time to blaze your own trail with Wiseco powersports piston kits.
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$88.97
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$551.97
Wiseco Racers Choice 2-Stroke Powersports piston furnish the highest quality forged aluminum pistons for dirt bikes, ATVs, snowmobiles, outboard marine, and motorcycles. Their cutting-edge designs coax maximum performance: increased power and instantaneous response! Many kits include top end rings, pins, and gaskets to make it simple for racers and engine builders to complete the necessary upgrades. As with all engine components, locate the Wiseco piston model that's a compatible fit with your vehicle.
Not Yet Reviewed
$143.97
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$177.97
Wiseco powersports 4-stroke forged series piston kits include your rings, piston pin, and circlips. Wiseco has a decade of experience producing quality pistons for dirt bikes, motorcycles, ATVs, snowmobiles, and outboard marine engines. Their piston kits provide strong, lightweight pistons with optimized designs that improve engine efficiency and maximize your torque and throttle response. Plus, Wiseco powersports piston kits are produced right here in the USA. It's time to blaze your own trail with these Wiseco powersports piston kits! Order the piston kit designed to fit your application.
( 1 )
$107.99
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$832.97
Wiseco powersports Tracker Series piston kits include your rings, piston pin, and circlips. Wiseco has a decade of experience producing quality pistons for dirt bikes, motorcycles, ATVs, snowmobiles, and outboard marine engines. Their piston kits provide strong, lightweight pistons with optimized designs that improve engine efficiency and help maximize your torque and throttle response. Plus, Wiseco powersports piston kits are produced right here in the USA. It's time to blaze your own trail with these powersports piston kits by Wiseco! Order the piston kit designed to fit your application.
Not Yet Reviewed
$264.99
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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$80.99
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$123.99
Mahle Original replacement pistons have the same great OE features to provide the perfect fit and function in your vehicle. They offer things like compensated ring grooves to ensure proper ring loading and oil control; as well as expansion-controlled designs for small fitting clearances—to reduce engine noise, wear, emissions, and improved oil control. Choose the model designed for your vehicle and engine application.
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$41.99
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$47.99
Clearance
Get the most from your hard-earned dollars with Silv-O-Lite hypereutectic pistons. These pistons utilize aluminum alloy high in silicon for greater strength plus scuff and seizure resistance. Silv-O-Lite pistons have improved groove wear and resist cracking in the crown area where operating temperatures are severe. Silv-O-Lite hypereutectic pistons feature reinforced top lands and their proprietary process of diamond finished skirts. These aftermarket pistons are available for many applications from your light truck to your auto or import. Spend wisely and choose replacement pistons that will work hard for you--Silv-O-Lite hypereutectic pistons.
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$31.99
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$463.99
Speed-Pro forged pistons are made from extruded VMS-75 aluminum alloy that's forged under 3,000 tons of pressure to "near-net" shape. After that, they're machined to their final configuration. These pistons offer excellent strength and durability—and are capable of taking the punishment that's dished out on the street and in competition. They're available for a wide variety of applications, including OE replacements and all-out racing engines.
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$370.99
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$608.99
For budget or stock-style rebuilds, it's hard to beat the value of Sealed Power cast pistons. They're made from high-quality aluminum alloys and feature a carefully controlled casting, heat-treating, and CNC-machining process. And, because they're designed and manufactured to exceed OEM specs, these pistons provide improved reliability, performance, and a long service life. Hundreds of models are available—find the size and style designed for your engine application.
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$16.99
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$219.99
Silv-O-Lite quality cast pistons are manufactured from cast aluminum and then machined to produce a unique diamond finish, all to exacting skirt tolerances. These OE-type pistons are heat-treated and machined for strength and durability, tighter piston-to-cylinder wall clearances, and longer piston life.
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$123.99
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$178.99
Wiseco's Pro Tru Hastings piston ring sets are race-quality. They feature high-tensile plasma pre-gapped rings, and the sets are designed as replacement rings for your Pro Tru pistons.
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$20.99
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