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220cc Ultimate Big Bore Stroker Kit - 34/29 Big Valve Head - KLX140/L/G

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  • $ 1,279.95


220cc Ultimate Big Bore Kit with 34/29 Big Valve Head - KLX140/L/G

** Now with new camshaft with roller rocker arm design! **

This is a brand new big bore kit for KLX140 and KLX150 2008-2022

This kit comes complete with:

– 68mm Ceramic Forged Cylinder
– 68mm Forged Piston w/ Wrist Pin, Rings and Clips
– All Gaskets needed including clutch and ignition covers
– Stage 3 camshaft with roller rocker arm design!
– Cylinder Head with Big Valve 34-29mm CNC ported
– +6mm Stroker crank
– Racing Carb (32mm) and Jet Kit with mains and pilot jets
– Throttle cable and throttle
–  Stage 3 CDI
–  HD Clutch springs
–  Intake Manifold and Boot to airbox

New roller rocker for the custom camshaft to increase bottom-end response, the rocker arms are specially designed for the cam in this package. We have also customize the cylinder head to fit with the new rocker arm.

This cylinder head is already ported and has been customized for 68mm piston size

This kit requires case boring as well as oil port modifications.

We strongly suggest an aftermarket exhaust with any bore kit.

We also have performance CDI's to increase rpm limiter, bigger carburetors, high compression piston kit, racing exhaust, custom crankshaft, etc.