TB Parts 143cc Big Bore V2 Race Head Kit - Forged Piston - TBW9175 tbw0930 The TB Parts Race Head

The TB Parts Race Head has been updated for even more performance

Typically 1-3 week delivery but can change at any time

This tool comes with three different collets to fit almost any steering stem bearing race

Main Jet Kit = TBW1353

We highly recommend this carb kit for use with bore kits (70cc to 88cc)

TB Parts 143cc Big Bore V2 Race Head Kit - Forged Piston - TBW9175 tbw0930 The TB Parts Race HeadFits 2017 2018 Kawasaki Z125 Pro 143cc Big Bore Performance Kit (Forged 60mm): NEW Ceramic coated all aluminum cylinder (no steel sleeve) NEW UPDATE Sept 2024 Lightweight FORGED high compression domed 60mm piston with rings, pin, & clips NEW Head gasket kit Now includes the cylinder head o ring set and an exhaust gasket. Forged anodized aluminum roller rockers Huge 30mm intake and 24. 5mm exhaust valves Stainless Steel Valves (21 4N material) 27mm