88cc V2 Race Head Big Bore Kit - CRF50 XR50 CRF70 XR70 Z50 - TBW9105 tbw0125 ported manifold

ported manifold

This combination makes these work twice as well as the underwhelming OEM forks in your backyard on the local mini MX track

- Enlarged 26mm port on throttle body side to work better with bored throttle bodies  (also works well with stock throttle body) - a port matched heat stop to prevent heat transfer to the intake  (cannot run a heat stop with the stock intake manifold and some aftermarket head spacers)

KAWASAKI KLX110 2002-Current KLX110L 2010-Current (Does not work with rear shock relocation brackets for mx style rear ends)

- Stainless Steel Valves (21-4N material)

88cc V2 Race Head Big Bore Kit - CRF50 XR50 CRF70 XR70 Z50 - TBW9105 tbw0125 ported manifoldNEW! Roller Rocker V2 Race Head Performance Kit: TB Parts 88cc (52mm) V2 Race Head Big Bore Kit. This kit converts a stock 50 and 70 to 88cc. Features: 52mm high compression piston with rings, pin, & clips Head gasket kit and clutch cover gasket. High performance race camshaft (for the V2 Race Head only) Has Roller Rocker Arms exactly like the V2 head for the KLX110 28. 5mm intake Valve 23. 5mm Exhaust Valve 5mm Valve Stem 26mm Intake Port (Matches