88cc Big Bore kit, 20mm Carburetor kit, and Race Cam Performance Kit:

• Lightweight aluminum cylinder with steel sleeve
• Cast in mounts on cylinder for aftermarket skid plates
• Oversized cooling fins on cylinder for efficient heat dissipation
• High compression 52mm piston with rings, pin, & clips
• Head gasket kit
• High performance race camshaft for stock head
• 20mm Performance carb assembly. Includes: 20mm carb,
  intake, heatstop, gaskets, mounting hardware/wrench, angled dual foam air filter and long throttle cable
• Main jet kit is now included too!

Easily double your power and fun with this quality, yet economical
bore kit!!

We recommend purchasing a high volume oil pump kit

Installation Note: It will save a lot of time and effort if the oil pump is installed while installing the bore kit (requires cylinder removal).