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. Raises RPM to achieve maximum performance eliminating lugging of motor. 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.
****Not Available for M8 motors yet!