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Trail Bikes Race Roller Rocker V2 Race Head Upgrade Kit - Z50 / XR50 / CRF50

Trail Bikes Race Head V2 Upgrade Kit
Honda: 88-89 Z50, All Years XR50 CRF50
Pricing: $548.95


Trail Bikes Race Head V2 Upgrade Kit for 1988-99 Honda Z50, All years-Honda XR50 & Honda CRF50

??Key Features:
     -Roller Rocker Arms
     -28.5mm intake Valve with 5mm stem
     -23.5mm Exhaust Valve with 5mm 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
     -Race fuel is not need but it will run better with it and we at least recommend premium fuel

??Exceeds OEM Specifications.

     26mm Intake Port (Matches Intake Manifold Kit) -0433
     High volume oil pump -226-12V
     Clutch tool -1013
     12 way rotating spacer 26mm -1020
     Oil cooler kit w/intake mount -9073

Please note:
Easier if oil pump is installed in combination with the bore kit (Installing the oil pump requires cylinder removal).

Parts Included:

Race Head V2 Honda Type (No Cam)0750
-Race Head V2 Bolt Kit 0755
-Cam 0752
-Race Head V2 Head Cover Set (All 4 Cast Covers) 0754
-Piston 0753
-Gasket Kit 0859


  • K9103TB
  • K9103TB
  • Trail Bikes
  • New


Shipping Information

  • Item Requires Shipping
  • 7.0 lbs.

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