Engines and Components› Pistons and Piston Rings

Factory Minibikes

170cc HC Forged Big Bore & Cam Kit

$289.99

SKU: TBW9463

In Stock
In Stock
Ships by Aug 2
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30 Days Return
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Description

The TB 170cc, HC, Forged Big Bore & Cam Kit from TBparts is designed to significantly enhance the performance of your KLX140, making it more powerful and fun for playbike racing and trail riding. This kit features a high-compression forged piston with a dome matched for the stock cylinder head, paired with a performance camshaft.

MIA's Description

The TB 170cc, HC, Forged Big Bore & Cam Kit is a performance upgrade designed for the KLX140. This kit aims to increase power and make the bike more enjoyable to ride. It includes a high-compression forged piston matched to the stock cylinder head and a performance camshaft that provides faster valve opening and increased lift for improved air and fuel intake.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandFactory Minibikes
Part NumberTBW9463
CategoryEngines and Components

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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