85-'87 for Yamaha YZ80 WISECO Piston Kit 48.50/+0.50 Yam Pre-stretched at the factory

Pre-stretched at the factory

Soft foam surrounds the ankle and boot collar for comfort and shock-absorbing performance

Manufacturer: Baker

Allows you to mount `17-20 Ski-Doo mountain strap directly to the top clamps of Knucks Risers

improved feel and performance

85-'87 for Yamaha YZ80 WISECO Piston Kit 48.50/+0.50 Yam Pre-stretched at the factoryManufacturer: Wiseco MPN: 520M04850 Title: Piston Kit Size: 0. 50mm Oversize to 48. 50mm These kits offer lightweight forging for instant throttle response and maximum torque. Computer engineered piston skirt profiles provide minimal cylinder wall friction. Anti detonation grooves and ring land diameter eliminates ring blow by while maximizing engine performance. 4 Stroke Pistons: Dedicated forging for lightweight and superior strength; Race ready