2014-2021 for Yamaha YFZ 450R 4x2 PROX Connecting Rod Kit YFZ450R 3.2444 Gravity cast aluminum alloy with

Gravity cast aluminum alloy with 18% silicon to increase resistance to wear and decrease thermal distortion

Racer's Choice: Pistons are single-ring 2-Stroke or two ring 4-Stroke

Rubber quick connects allow for shovels

Title: Click-N-Roll Clutch Lever

2014-2021 for Yamaha YFZ 450R 4x2 PROX Connecting Rod Kit YFZ450R 3.2444 Gravity cast aluminum alloy withManufacturer: Pro X MPN: 3. 2444 Title: Connecting Rod Kit PRO X connecting rod kits are made out of the toughest alloys available today O. E. specifications and tolerances are meticulously maintained Comes with crankpin, big end bearing, small end bearing, and washers