Sprocket shaft spacer shim. .120" - 70-02 Big Twin (NU) 970793 Suitable to provide best timing

Suitable to provide best timing for maximum power for all engine capacities and tuning levels

Ideal tool to convert your power screwdriver to a 90° L-Drive for hard to reach places

A Roland Sands Design

The Compensating Sprocket Lock Kit is now ready and available for select Harley-Davidson motorcycles

Ness-Tech® Knurled Original Billet GripsCNC machined from billet aluminum

Sprocket shaft spacer shim. .120" - 70-02 Big Twin (NU) 970793 Suitable to provide best timingUsed 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.