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CJR Performance

CJR 132cc 4v Race Kit - CRF110

CJR 132cc 4v Race Kit - CRF110

Regular price $849.99 USD
Regular price Sale price $849.99 USD
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Our Honda CRF132cc 4v kit is is now available for custom ordering. Custom orders generally take 30-90 days depending availability of parts. Once ordered, you will be next in line for the first available kit. If you would like to cancel your order at any time, you may do so for a full refund, so there is no need to feel locked in during the order process.

This kit so far has proved extremely powerful with very impressive low end throttle response and power that carries out strong through the entire RPM range.
This 4v head kit will come complete with the following -

  • 4v Cylinder Head
    • Custom Port/Polished Intake and Exhaust
    • Includes Modified Valve Cover (Required to clear 4v rocker arms and valve springs)
    • Custom barbed fittings does not come standard but is optional (email upon ordering to include modified barb fittings to allow use of an oil cooler, this also includes bypass hose/clamps) 
  • High Lift 55mm Dome 4v Camshaft (rings/circlips/piston pin)
  • Custom ported 4v Intake Manifold + 31mm Throttle Body with machined intake lip to 39mm to allow use of current aftermarket intakes
    • Includes modified manifold nipple for map sensor fitting
  • Insulator Port Matched
  • Gasket Set
  • 130cc Injector (must re-use OEM red o-ring spacer)
  • Utilizes OEM Fuel Rail with 3D Printed Injector Adapter (Requires cutting one fang off OEM adapter)

Requires TB Parts, BBR, OR CJR CNC 55mm cylinder. 


Requires aRacer standalone ECU with autotune or custom dyno tune, ECU flashes are in building stage.
Requires custom intake as the OEM airbox will not work. On our builds we used a 38mm/1.5" 180 degree bend silicone hose attached to a pod filter via a 1.5" coupler. 
Recommended parts - large exhaust system such as rocket big bore, yoshimura or bbr. Secondary crankcase breather (steady garage oil cap vent), Avail Motorsports oil pump sprocket, CJR cam chain guide, HD Clutch Spring or 4D Clutch Kit, High Flow Oil Pump.

NOTE - THIS IS AN AFTERMARKET PERFORMANCE PART BUILT FOR RACING PURPOSES ONLY. CJR IS NOT RESPONSIBLE FOR ANY DAMAGES CAUSED TO THE PARTS, VEHICLE, OR TO YOURSELF AND OTHERS. ENGINE PARTS ARE NOT UNDER WARRANTY NOR IS COLLATERAL DAMAGE OR COST OF LABOR, IN CASES OF MALFUNCTION.
AFTER AN ORDER HAS BEEN FULFILLED TO THE CUSTOMERS ADDRESS, IN THE EVENT OF A RETURN - A RETURN RESTOCK FEE OF 25% WILL BE ISSUED FOR ANY RETURNED KITS.

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