High Performance cam for 139QMB engine. Use this camshaft when upgrading cylinder and head to get the most performance from your new 72cc or 82cc kit.

Intake Lobe 25.8mm
Exhaust Lobe 25.5mm

This product is intended for off-road use only.

Not legal for use in California on pollution controlled vehicles. Check local laws before installing.

This product is not intended for use on public roads or land.

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Important Parts Notice:  Not all replacement or upgrade parts come with instructions. It is the customer's responsibility to have standard knowledge of the installation or hire an experienced installer. We are not responsible for any damage caused by any of the items we sell, whether installed by you or a professional. We are not required to provide step-by-step instructions or technical support. In any case, we will always do our best to help you with any technical questions. Electrical parts are non-returnable, and the buyer assumes all risks. 

Important Notes

Address Change Request
Address change requests will never be accepted. Please make sure you choose the correct shipping address before completing your order. If you need to change your address, you must cancel the original order and place a new one with the correct shipping address.