12mm Extended 5th gear Mainshaft

All parts in our primary offset kits are separately available. This allows Custom Bike Builders to create any offset kit the any way they need it.
Note: All offset kits are designed for use with narrow belts.
Note: If used in 1990-1993 transmissions the countershaft 5th gear must also be replaced with ZPN 237074 or OEM 35626-94.
*Use in conjunction with stock spacer