Connecting Rod Designed to fit OEM bearing and crank pin For best results use corresponding Wössner piston kit Connecting rod only; bearing and pin not included...
ATHENA YZ 250 PISTON KIT 99 Athena pistons are manufactured using exotic aluminium alloys called Low-Ex (low expansion) Silicon charged with 12%, 18% or 21% depending on the application. Athena pistons are manufactured using either a gravity cast or hydraulic forging process to make the blank parts and then the material structure is refined using a hi-tech Heat Treatment compl...