Universal VP-SDR Clutch by AIM®. The sliding weight creates 105 lbs. extra clamping pressure at 4000rpm. Installing the SDR without changing the coil springs will increase the clamping force by 40%. SDR clearance will work with most stock Harley-Davidson® derby covers. The sliding weight creates 105 lbs extra clamping pressure at 4000RPM. Installing the SDR without changing the coil springs will increase the clamping force by 40%
AIM® was founded in 2001 as the affiliate company of Tamachi Industries. Originally established to supply bespoke auto racing engine parts to the top formula racing teams in the USA, the company has rushed into the American V-twin industry with its eventually expanding product portfolio including variable pressure clutches, billet pressure plates, CF2 systems, reverse gears, and many more. Operated by a team with an undying passion for motorcycles, AIM takes pride in its products and is committed to providing top-quality solutions into the American automotive industry.
- SDR clearance will work with most stock Harley Davidson derby covers. If there are any clearance issues, a 1/4 spacer will be needed per application.
- VP-SDR Variable Pressure Unit
- Mounting Hardware