Wiseco 4395M06600 Piston Kit - 1.00mm Oversize to 66.95mm, 12:1 Compression drive-sprocket-bolts Designed with a flexion channel

Designed with a flexion channel through the shell that allows the shell to bend with the knee

2004-2009 Yamaha YFM125 Grizzly

smoother powerband and enhanced over-rev all add up to a pipe that every kind of rider will benefit from

and rebuildable ICON Delta Joint PRO allows for full bump and droop travel of the front suspension while eliminating bind

Mounting Flange Inside Diameter 2 7/8in

Wiseco 4395M06600 Piston Kit - 1.00mm Oversize to 66.95mm, 12:1 Compression drive-sprocket-bolts Designed with a flexion channelBore: 66. 95mm Compression: 12: 1 Compression Sizing: 1. 00mm Oversize All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life. Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of todays cylinder bore compositions. Wisecos