108cc V2 Race Head Mikuni VM26 Carb & Bore Kit - CRF50 XR50 CRF70 XR70 - TBW9118

***AUTHORIZED TB PARTS DISTRIBUTOR!!!*** We've stood behind these products 100% since we opened in 2005. Best reviews received for a big bore kit hands down! NEW! Roller Rocker V2 Race Head, 108cc Big Bore Stroker, and Mikuni VM26mm Carburetor Performance Kit:      This will really wake up your stock engine and is comparable in power to the much larger Chinese 124cc engines!!! Includes the following:     - 51mm Stroker Crankshaft - Lightweight aluminum cylinder- Cast in mounts on cylinder for aftermarket skid plates- Oversized cooling fins on cylinder for efficient heat dissipation- 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) - Have 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 Intake Manifold Kit TBW0433- 23mm Exhaust port- All pistons in the kits are new and have CNC machined piston domes- Head kits include all hardware- Head kits Include all covers (Billet Dress up kits and Breathers will be available later) - Includes all necessary parts and comes assembled! The exhaust valve has been upgraded to stainless steel (21-4N material) .- Genuine Mikuni VM26mm Performance carb assembly- Angled dual layer foam air filter.       Installation Note: It will save a lot of time and effort if the oil pump is installed while installing the bore kit (requires cylinder removal). Part# TBW0226INSTALL TIP - CLICK HERE     Replacement Parts: TBW0750 - V2 Race head TBW0821 - V2 Head bolt kit TBW0752 - V2 Cam TBW0754 - V2 Head cover set TBW0753 - Piston TBW0859 - Head gasket kit TBW0156 - Cylinder TBW0301 - Throttle cable TBW0433 - Intake kit TBW0399 - VM26 Carb TBW0413 - Air filter TBW0287 - Clutch cover gasket TBW0334 - Center case gasket TBW0319 - Stroker crank