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SSP-G Performance Transmission Kit for 150cc and 125cc GY6 4-stroke engine based vehicles.

Transmission kit includes the following:

1000RPM clutch
1000RPM torque spring
Black 5-star clutch bell
Variator kit with 157g aluminum drive face, 12g roller weights (may be colored black or red) and variator boss
Adjustable drive sheave
Roller bearing torque spring base

Please see our Warranty & Returns Policy.

Clutch: 120mm Outer Diameter. 1000RPM Springs Installed.
Torque (Contra) Spring: 1000RPM. Overall Length: 115mm (4.5 Inches.)
Clutch Bell: 125mm Inner Diameter. 137mm Outer Diameter. 19 Splines.
Variator: 115mm Outer Diameter. Includes 12g Roller Weights. 157g Drive Face.
All Components Made in Taiwan!

Supported Models

GY6 QMI/QMJ 152/157, Various unlisted makes/models

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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.