AIM Corp.

VP-SDR Performance Kit for A&S Clutch, 3 Studs Style

The first sliding lock up system released in the industry! Built for Harley Davdison A&S Clutches.

The sliding weight will create 105 lbs extra clamping pressure at 4000RPM. Just putting on the SDR without changing the coil springs will increase the clamping force by 40%!

Item VP-SDR Performance Kit
Parts # VP025-SDR
MSRP $345.00

Harley Davidson Assist and Slipper Clutch; 3 Studs Style Clutch. 

Click here for the fitment chart.

  • '13 and later CVO 110' Motor Models
  • '13 and later Tri-Glide and Free Wheeler
  • '15 and later Ultra Limited Low and Electra Glide Classic Low Models 
  • '15 and later 110' Softail Models
  • Street performance: With the OEM 2013 and up CVO springs, it handles up to 120 ft-lbs torque.
  • Hi-Performance: With the provided Performance Springs, it handles up to 155 ft-lbs torque. 
  • Slider Weights design: will fit behind stock, 103, 110 derby covers.
  • 10 minutes installation. 
  • Install through the derby cover without removing the primary cover.
  • No modifications needed.
Kit Contents
  • VP-SDR Lock Up Head
  • AIM008-002 Performance Clutch Coil Springs, 35% stiffer than stock
  • Mounting Hardware


We won't send you anything less than the best.