85-'87 for Yamaha YZ80 WISECO Piston Kit 48.50/+0.50 Yam Accepts stock or aftermarket hand

Accepts stock or aftermarket hand controls

One-piece or two-piece designs

improved feel and performance

and Air 1 covers are small diameter round covers that leave the filter element exposed

single aluminum casting with resilient bead-blasted silver or satin black finish

85-'87 for Yamaha YZ80 WISECO Piston Kit 48.50/+0.50 Yam Accepts stock or aftermarket handManufacturer: 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