Polini Corsa 70cc Racing Cylinder Kit: Zuma, RH & Buddy 50 pad Lighter Weights (12g–16g): Best for

Lighter Weights (12g–16g): Best for quick take-offs

Featuring a universal mounting system

Clutch Type: NCY Performance Non-Adjustable

Heat-Treated Steel: Manufactured with NCY’s signature high-tensile steel to maintain its spring rate and tension even under the extreme temperatures of long-distance riding

Ratchet straps: Not included — compatible with any standard hook

Polini Corsa 70cc Racing Cylinder Kit: Zuma, RH & Buddy 50 pad Lighter Weights (12g–16g): Best forMid Race Performance: Polini Corsa 70cc Iron Cylinder Step up to "Mid Race" power with the Polini Corsa Cylinder Kit. While based on the legendary Polini 70cc Sport, the Corsa is factory tuned with revised port timing and a polished exhaust port to deliver significantly more horsepower and higher RPM ceilings. This cast iron kit combines the bulletproof reliability of a daily driver with the aggressive acceleration required for the track. Technical