Athena Top End Gasket Kit - PW50 Brake The addition of roller rocker

The addition of roller rocker arms and a new camshaft are the biggest changes followed by bigger valves and ports

Floating helps limit heat cycling and warping of the rotors brake surface

for the CRF/XR80 and CRF/XR100

Two Fork Spring Retainers

The forged shift lever arm is manufactured from aircraft-grade 6061 aluminum

Athena Top End Gasket Kit - PW50 Brake The addition of roller rockerSpecifically designed for the pro, semi pro and amateur rider who freshens up their engine prior to a race or during midseason Kit includes a top of the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine compression ratios Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression Note: Kit do not includes valve stem seals, rubber part, shims