Pistons - 77.00mm 4738 Yam Piston Wiesco

77.00mm 4738 Yam Piston Wiesco

• California Prop 65 Warning: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov/
• Type: Piston Kit
• UPC: 193564140920

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 dome design for improved combustion flow Armor glide skirt coating provides reduced friction (racing applications only); Piston kit includes piston, rings, wrist pin and circlips Oversize requires cylinder sleeving.. . Racer's Choice: Pistons are single-ring 2-Stroke or two ring 4-Stroke; Reduced weight and friction with increased power and throttle response; Service intervals may be increased over conventional Wiseco Pistons.. . 2-Stroke Pro-Lite Pistons:.