The rocker arm shafts are precision machined from a low-alloy nickel

Spring Rate: 110 n/m

removable db-killer

16/20 Supermotard YAMAHA YZ 450 SM 450 C

All Balls Racing - Drive Prop Shaft (PRP-PO-09-025) K-Type-Side Panels The rocker arm shafts areBalanced and phased as a complete 2 piece assembly. Complete driveline is balanced to reduce noise and vibration, while extending life. Included carrier bearing reduces cost, eases assembly, and provides a complete, ready to install driveline (where applicable). Greaseable u joint allows maintenance of the drive shaft. Cold rolled steel. Designed with the same dimensions as OEM for guaranteed fitment. 20% 30% lower cost that OEM.