Engine

Two-stroke pistons are made from 4032 silicium Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons Both include 3% copper in materials for better heat resistance All pistons are forged using a precision...

Two-stroke pistons are made from 4032 silicium Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons Both include 3% copper in materials for better heat resistance All pistons are forged using a precision...

Head gaskets feature rubber-coated spring steel construction Soft steel base gaskets are rubber coated Steel core materials feature high spring-back and superior tensile strength Revolutionary transparent coating guarantees a perfect seal even at...

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 instructions All are bolt-on; no machining required. GASKET...

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 instructions All are bolt-on; no machining required. GASKET...

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, or race gas with a higher compression. Specifically...

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 superior tensile strength Revolutionary transparent coating...

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 superior tensile strength Revolutionary transparent coating...

Includes rings, clips and pin Easy-to-follow step-by-step installation instructions. PISTON KIT SX65

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 superior tensile strength Revolutionary transparent coating...

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 superior tensile strength Revolutionary transparent coating...

High-quality, lightweight connecting rods Made with similar materials to the OEM component to ensure the same performance Superficial high-frequency treatment for higher resistance that reduces rotational and alternating stresses Kit includes connecting...