TBParts - Vintage Roller Rocker Race Head V2 108cc Big Bore w/ Mikuni VM26
69-81 Z50 CT70 and 73-80 ATC 70 3 speed

TB Roller Rocker Race Head V2 (52mm) Big bore & Stroker Crank kit 108cc. Highest performance race head on the market with full parts support in stock.


Kit Includes:

• Roller Rocker Arms exactly like the V2 head for the KLX110
• 28.5mm intake Valve
• 23.5mm Exhaust Valve
• 5mm Valve Stem
• 23mm Exhaust port
• Matching High Compression Piston
• Head kits include all hardware
• 52mm piston with rings, pin, & clips.
• 52mm Aluminum Cylinder
• High performance race camshaft (for the Race Head only)
• VM26 Mikuni carb kit
• Head gasket kit
• 51mm stroker crank



Recommended:

• High speed 2mm drill bit - TRC-5526
• 2 Size clutch tool - WHS-2274
• TBparts oil cooler for V2 heads - TBW9187
• Sta-bil fuel stabilizer - W-57-1129
• Pre-filter - OW-20-2159-01
• 12 Way rotating spacer - TBW1487
• TB heavy duty clutch kit - TBW0971



Application:

• Z50 - 69-81
• CT70 3 speed - 69-81
• ATC 70 3 speed - 73-80



Kit Includes:

• TBW0750 - Race Head
• TBW0821 - Bolt Kit
• TBW0752 - Cam
• TBW1441 - Cover Set
• TBW0753 - Piston
• TBW0859 - Gasket
• TBW0156 - Cylinder
• TBW0301 - Throttle Cable
• TBW0433 - Intake Kit
• TBW0399 - Carb
• TBW0413 - Air Filter
• TBW0287 - Gasket
• TBW0334 - Gasket
• TBW0622 - Crank
• TBW0225 - Oil Pump
• TBW0861 - Sprocket and Dowel



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).

See the Performance Info section for additional information on our performance parts.