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Big Bore KitsThere are 32 products.

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  Honda 50 88cc big bore kit stage 2

  88cc Big Bore kit, 20mm Carburetor kit, and Race Cam Performance Kit:- Lightweight aluminum cylinder with steel sleeve- Cast in mounts on cylinder for aftermarket skid plates- Oversized cooling fins on cylinder for efficient heat dissipation- High compression 52mm piston with rings, pin, &...

  $229.00
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• 

  Honda 50 88cc big bore kit stage 1

    88cc stage 1 Big Bore Kit (52mm): - Lightweight aluminum cylinder with steel sleeve - Cast in mounts on cylinder for aftermarket skid plates - Oversized cooling fins on cylinder for efficient heat dissipation - High compression 52mm piston with rings, pin, & clips - Head gasket...

  $129.00
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  k1-1978 Vintage High Volume Oil...

    k1-1978 Vintage High volume oil pump

  $32.00
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  1979-81 z50 Vintage High Volume...

    Deliveres 3 times the amount of oil over stock pump

  $32.00
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  82-Present High Volume Oil Pump

    Delivers 3 times the amount of oil over stock pump.

  $26.00
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  XR CRF High Volume Oil Pump

    Fits all years of xr and crf, Delivers 3 times the amount of oil over stock pump.

  $26.00
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  Honda XR CRF 50 Rev Box

    50 Caliber Rev Box. This rev box will remove the stock rev limiter and allow your pit bike to max out its performance and rpm's. Improved timing curve. Great bang for the buck! Fits all years of Honda xr50 and crf50

  $25.00
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  CDI 5 Pin Green Rev Box

    5 Pin CDI rev box

  $25.00
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  Gasket Kit Complete 52mm 110cc -...

    50 Caliber Racing 52mm Gasket kit for 110cc and 125cc Lifan Engines Pit Bikes Atv Pocket Bike Go Karts and Mini Choppers

  $15.00
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• 

  Gasket Head 47mm 70cc

    50 Caliber Racing 47mm Head Gasket Kit for 70cc Pit Bikes Atv Pocket Bike Go Karts and Mini Choppers

  $10.00
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