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KLX140 Big Valve Race Head Kit & 170cc Big Bore Kit

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KLX140 Big Valve Race Head Kit & 170cc Big Bore Kit

You can easily upgrade your bike's performance with our all-inclusive 170cc big bore kit, featuring a CNC ported big valve race head and included cam kit with roller rockers.

New Cylinder – 63mm Piston – Wrist Pin – Rings – Clips – Gaskets

Stage 3 camshaft with roller rocker arm design! 

Cylinder Head with Big Valve 31-25mm CNC ported
This cylinder head is already ported and also have been customized for 63mm piston 

$204.75

Original: $585.00

-65%
KLX140 Big Valve Race Head Kit & 170cc Big Bore Kit—

$585.00

$204.75

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You can easily upgrade your bike's performance with our all-inclusive 170cc big bore kit, featuring a CNC ported big valve race head and included cam kit with roller rockers.

New Cylinder – 63mm Piston – Wrist Pin – Rings – Clips – Gaskets

Stage 3 camshaft with roller rocker arm design! 

Cylinder Head with Big Valve 31-25mm CNC ported
This cylinder head is already ported and also have been customized for 63mm pistonÂ