Head gaskets feature rubber-coated spring steel construction Soft steel base gaskets are rubber coated Steel core materials feature high springback and superior tensile strength Revolutionary...

Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent...

Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason Gives the rider a choice of using standard gas with stock compression,...

Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent...

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets Forged piston with molybdenum coating Special gasket kit Easy-to-follow step-by-step installation...

Replacement rings for Athena Forged Pistons Compatible Vehicles Years Make Make Notes 2005-2021 Yamaha YZ125 2020-2022 Yamaha YZ125X

Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason Gives the rider a choice of using standard gas with stock compression,...

Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons Includes 3% copper in materials for better heat resistance Pistons are forged using a precision...

Superior-quality gasket sets from Athena Head gaskets feature rubber-coated spring steel construction Soft steel base gaskets are rubber coated Steel core materials feature high springback and...

Manufactured to exact length and tolerances as the OE belts Constructed of the latest materials to meet or exceed OEM quality and performance Minimize clutch slippage and wear

Made of special steel and manufactured with CNC high-precision machinery. Standard stroke Standard Stroke

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets Forged piston with molybdenum coating Special gasket kit Easy-to-follow step-by-step installation...