TB Parts TB V2 Race Head Kit & 114cc Piston Kit- HONDA TRX90 & Chinese 86cc – 107/110cc (49.5mm Stroke) TBW9104

TB V2 Race Head Kit & 114cc Piston Kit

Fits  HONDA TRX90 & Chinese 86cc – 107/110cc (49.5mm Stroke)


TBW9104

TBparts V2 Race Head Kit & 54mm/114cc Piston Kit. This kit includes everything needed to upgrade to our V2 Race Head on your current TBparts 114cc equipped TRX90 & Chinese 86cc – 107/110cc engines (with a 49.5mm Stroke).

TBparts V2 cylinder head’s larger stainless steel (21-4N) valves, better porting, roller cam, and forged aluminum roller rocker arms that allow the engine to rev quicker, farther, and make much more power than other race heads. This cylinder head adds a professional level of performance at an affordable price for the privateer rider. These are high quality, bolt on parts! There are no installation instructions, but if you can replace your piston, you can install this kit.  

Key Features:

Race Head V2 – Aluminum roller rockers, 28.5mm intake valve, 23.5mm exhaust valve, 26mm intake port, 23mm exhaust port, covers and hardware included (valve, seals, and springs installed).
Race Camshaft
54mm/114cc High Compression Light Weight Piston Kit (91+ octane pump fuel friendly)
114cc Top End Gasket Kit
We stock all the replacement parts for this kit, no ridiculous wait times or prices for these High Performance spares.

Note: This kit is for TRX90 & Chinese 86cc – 107cc engines (with a 49.5mm Stroke) and our 114cc cylinder ONLY (No cylinder included)

** Kit should be installed by a certified mechanic to ensure proper function.
Improper installation could result in catastrophic engine failure.