Engine

Forged from high-silicon aluminum alloy for maximum strength and dependability Wiseco offers a complete range of popular piston models and years for both trail and racing applications Durability, longevity and increased horsepower Innovative forging...

Pistons come without gasket kit. PISTON KIT YZ 85 02+

Forged from high-silicon aluminum alloy for maximum strength and dependability Wiseco offers a complete range of popular piston models and years for both trail and racing applications Durability, longevity and increased horsepower Innovative forging...

Pistons come without gasket kit. PISTON KIT Z50R

Pistons come without gasket kit. PISTON KIT XR50 STD

Forged from high-silicon aluminum alloy for maximum strength and dependability Wiseco offers a complete range of popular piston models and years for both trail and racing applications Durability, longevity and increased horsepower Innovative forging...

Pistons come without gasket kit. PISTON KIT SPTMAN90 1MM

Pistons come without gasket kit. PISTON KIT SPTMAN90 5MM

Pistons come without gasket kit. PISTON KIT SPTMAN90 STD

Forged from high-silicon aluminum alloy for maximum strength and dependability Wiseco offers a complete range of popular piston models and years for both trail and racing applications Durability, longevity and increased horsepower Innovative forging...

Forged from high-silicon aluminum alloy for maximum strength and dependability Wiseco offers a complete range of popular piston models and years for both trail and racing applications Durability, longevity and increased horsepower Innovative forging...

All Wiseco pistons are forged from aerospace aluminum alloys on WisecoÆs state-of-the-art forging presses Built on a legacy of championships for over 60 years by American craftsmen Wiseco pistons have the latest dyno-tested technology to out-perform the...