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TBParts - Roller Rocker Race Head V2 Kit for 88cc & 108cc
Z50 CRF50 XR50 & Pit bikes

Vital Information
On Sale $424.99
Part No TBW9102
Stock Level Check Stock
This item my be sold out. Click the Yellow Check Stock button above to send us email and we'll try to let you know when it become available.

We are all out of the standard aluminum head covers
We can offer you:
RED Billet covers Part No:TBW0852
Black Billet covers Part No:TBW0853

TB Roller Rocker Race Head V2 for 88cc & 108cc Stroker (52mm) bore kits.
Highest Performance Race head on the market with full parts support in stock.

Exceeds OEM Specifications.

Key Features:

  • 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.
  • High performance race camshaft (for the Race Head only)
  • Head gasket kit.
  • We recommend premium fuel
  • 26mm Intake Port - Matches Intake Manifold Kit- TBW0433
  • High volume oil pump - TBW0226-12V
  • 2 Size clutch tool - WHS-2274
  • Sta-bil - W-57-1109
  • TB 12 way rotating spacer 26mm - TBW1020
  • TB oil cooler kit w/intake mount - TBW9187
  • Z50 - 1988-Present
  • CRF50 - 1988-Present
  • XR50 - 1988-Present
Kit Includes:
  • TBW0750 - Race Head V2 Honda Type (No Cam)
  • TBW0755 - Race Head V2 Bolt Kit
  • TBW0752 - Cam
  • TBW0754 - Race Head V2 Head Cover Set (All 4 Cast Covers)
  • TBW0753 - Piston
  • TBW0859 - Gasket
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.

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Since 2004, every purchase from TBolt USA includes access to technical support from our staff of experts and our online Pit Bike Technical Info Database!

We have all necessary support parts on hand.

Most orders ship same, or next business day, unless otherwise noted above.


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