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All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.Diamond turned finish from one of the many CNC computer controlled turning centers guarantees...

All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.Diamond turned finish from one of the many CNC computer controlled turning centers guarantees...

All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.Diamond turned finish from one of the many CNC computer controlled turning centers guarantees...

All piston skirts are coated with a high-tech Molybdenum Disulfide coating for faster break-in time and increased piston lifeAll pistons are heat treated with a T-5 hardening and tempering cycleAll rings are OEM replacementsTop end piston kit includes...

All piston skirts are coated with a high-tech Molybdenum Disulfide coating for faster break-in time and increased piston lifeCast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but...

All piston skirts are coated with a high-tech Molybdenum Disulfide coating for faster break-in time and increased piston lifeCast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but...

All piston skirts are coated with a high-tech Molybdenum Disulfide coating for faster break-in time and increased piston lifeCast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but...

All piston skirts are coated with a hi-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeCast Replica piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light...

Save $$ over OEM pricingInterchanges directly with OEM partsPiston kit comes complete with piston, rings, pin and clips

Athena Piston Kit Cast Flat 53.94/Std 14.8:1 Yam S4C05400016A

Uses symmetrical reed petals, no more inner and outer petalsIncorporates the industries first and only patented snap together reed valve design. The entire assembly is completely screw freeCustom air guides specific to each individual application ensures...

The RAW series handlebars are designed for maximum comfort. Our unique tapering allows the bars to have increased strength while having the optimal amount of flex to reduce arm fatigue. They are constructed of T-6 7075 aluminum, making them as strong or...