Engine

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...

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...

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...

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...

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...

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

Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during mid-season Kits include a top-of-the line MLSS head gasket and two or more premium-quality base gaskets of different thicknesses to...

Easy installation (with no head work required) with a big boost in HP and torque over the entire RPM range Similar to stock cams but timing advanced for more torque and HP at low and middle RPM speeds Long duration cams for engines with higher...