88-'89, '91-'99 for Honda Z50R WISECO Piston Kit 39.00/Std 11:1 Hon MPN: 251131815943

MPN: 251131815943

MPN: SM-09220R

MPN: 3558321-10-S

Comes with master cylinder guard

MPN: 412-4254C

88-'89, '91-'99 for Honda Z50R WISECO Piston Kit 39.00/Std 11:1 Hon MPN: 251131815943Manufacturer: Wiseco MPN: 4798M03900 Title: Piston Kit Size: Standard Bore 39. 00mm, 11: 1 Compression 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;