Sprocket shaft spacer shim. .180" - 70-02 Big Twin (NU) 510854 Note: Exhaust retaining rings are

Note: Exhaust retaining rings are required for installation

Comprehensive kit as a base for your own special 'one-off' exhaust system to allow you to fabricate your own exhaust system

OEM replacement reference 3880 lower bolt

PLIERS body: chrome vanadium electric steel

plugs in to stock ECU unit without any changes to wiring

Sprocket shaft spacer shim. .180" - 70-02 Big Twin (NU) 510854 Note: Exhaust retaining rings areUsed to shim out primary belt pulley or the OEM shaft extension to line out motor sprocket with clutch hub. Compatible with Timken style sprocket shaft bearings un use upto 2002 OEM models. Will fit later models, like S&S engines, and engines custom equipped with the early style Timken bearing.