NEW Forged High Compression 60mm V2 Piston Kit - 143cc or 155cc - TBW1579 Main Jet Fits stock springs and stock

Fits stock springs and stock valve train

SL70 / XL70

Fits all years of the Kawasaki KX60 rear hub

try starting at a 175 main jet and leave the stock 22

Lens Lock System

NEW Forged High Compression 60mm V2 Piston Kit - 143cc or 155cc - TBW1579 Main Jet Fits stock springs and stockTB Parts new forged piston! The next level of performance and quality. Forged pistons offer more strength and are more resistant to wear. This brand new FORGED 60mm (143cc) high compression piston kit was developed for our V2 Race Head. Complete piston kit includes the following: Piston Wrist Pin Ring Set Cir clips Compression ratio: 11. 2: 1 143cc bore kit combined with the V2 Race Head 12. 09: 1 143cc bore kit combined with the V2 Race Head and our