18 $
Description
- Raises RPM to achieve maximum performance eliminating lugging of motor
- Manufactured from aircraft quality steel
- Heat-treated to specifications to insure maximum strength
- 2 lbs. lighter than stock
- Includes 30 tooth sprocket, custom primary chain and easy-to-follow instruction
- Made in USA
- 3-year limited manufacturer's warranty
Changes stock 1.352 gear ratio to 1.5333 gear ratio
- 4th gear 70 MPH @ 3620 RPM to New 4th gear 70 MPH @ 4500 RPMs
- 5th gear 70 MPH @ 3042 RPM to New 5th gear 70 MPH @ about 3750 RPMs
- 6th gear 70 MPH @ 2570 RPM to New 6th gear 70 MPH @ about 3250 RPMs
NOTES:
Evolution Industries recommends installing a sprocket bolt when changing sprocket.