TB Parts

TBparts V2 Race Head Kit for YX125 & YX140 – High Performance Upgrade

Unlock next-level performance with the TBparts V2 Race Head Kit for YX125 & YX140 engines. Engineered for riders demanding serious power and faster revs, this kit features a high-flow V2 cylinder...

TB 150 160 Race Head V2 Upgrade Kit – GPX/YX150/160

150/160cc YX/GPX RaceHead V2 Upgrade Kit: – Race Head V2 – Roller rockers, 30mm intake valve, 24.5mm exhaust valve,27mm intake port, 23mm exhaust port (valves installed).– Race...

TB 170cc/184cc Race Head V2 Upgrade Kit – GPX/YX150/160

TB 170cc/184cc Race Head V2 Upgrade Kit – GPX/YX150/160 TB 170cc/184cc Race Head V2 Upgrade kit includes the following: – Race Head V2 – Roller rockers, 30mm intake valve, 24.5mm...

TB 170cc to 184cc Bore Kit, Race Head V2, and 28mm Carb Kit

TB 170cc to 184cc Bore Kit, Race Head V2, and 28mm Carb Kit 170cc to 184cc Race Head V2,Big Bore Kit,and 28mm Carburetor Performance Kit: – Race Head V2 – Roller rockers, 30mm intake...

TB 170cc to 184cc Bore Kit and 28mm Carb Kit

TB 170cc to 184cc Bore Kit and 28mm Carb Kit 170cc to 184cc Big Bore Kit and 28mm Carburetor Performance Kit: – All aluminum ceramic plated 64mm cylinder with skirt– We increased the...

TB 170cc to 184cc Bore Kit

170cc to 184cc Big Bore Kit: – All aluminum ceramic plated 64mm cylinder with skirt– We increased the skirt height and size on the lightweight high compression 64mm piston with rings,...

28mm Performance Carb Kit – For V2/YX/ZS Heads

28mm Performance Carb Kit – For V2/YX/ZS Heads 28mm Carburetor Performance Kit – For YX150/160cc, ZS155s & V2 Heads: – 28mm Performance Carb (125 main/50 pilot)– Race...

TB 150cc to 160cc Bore Kit – For 4 Valve Heads

TB 150cc to 160cc Bore Kit – For 4 Valve Heads 150cc to 160cc Bore Kit for 4 Valve Cylinder Heads includes the following: – All aluminum ceramic plated 60mm cylinder– Lightweight...

TB 187 to 201cc Big Bore Kit

187cc to 201cc Big Bore Performance Kit (67mm): – Ceramic coated all aluminum cylinder (no steel sleeve)– Lightweight high compression domed 67mm piston with rings, pin, &...

TB Cylinder, 67mm

Replacement all aluminum ceramic coated cylinder – 67mm.

TB Piston Kit, 67mm

TB Piston Kit, 67mm TBparts Replacement Piston Kit – 67mm.  High compression and light weight. Includes the Piston, Pin, Rings, and Clips. This piston kit works with the following cylinder...

TB Cylinder, 64mm – Chinese Engines

TB Cylinder, 64mm – Chinese Engines Replacement all aluminum ceramic coated cylinder – 64mm.