85-'87 for Yamaha YZ80 WISECO Piston Kit 48.50/+0.50 Yam One-piece or two-piece designs

One-piece or two-piece designs

Accepts stock or aftermarket hand controls

Manufacturer: SNO Stuff

Includes easy-to-follow instructions

85-'87 for Yamaha YZ80 WISECO Piston Kit 48.50/+0.50 Yam One-piece or two-piece designsManufacturer: 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