VP-SDR Performance Kit  for A&S Clutch, 3 Stud Style
VP-SDR Performance Kit  for A&S Clutch, 3 Stud Style
$ 345.00

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

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

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%

Item VP-SDR Performance Kit
Parts # VP035-SDR
MSRP $345.00

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

Click here for the fitment chart.

  • '13 and later CVO 110' Motor Models
  • '13 and later Tri-Glide and Free Wheeler
  • '17 and later Touring Models
  • '15 -'17 Ultra Limited Low and Electra Glide Classic Low Models 
  • '15 -'17 110' Softail Models

SDR clearance will work with most stock Harley Davidson derby covers. Please check our fitment chart, and also download and print out our derby cover gauge to properly check clearances. 

( If there are any clearance issues, a 1/4 spacer will be needed per application. ) 

  • 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 and shims, it can handle well over 150ft-lb torque.
  • Slider Weights design: will fit behind stock, 103, 110 derby covers.
  • 10 minute installation. 
  • Install through the derby cover without removing the primary cover.
  • No modifications needed.


Kit Contents
  • VP-SDR Lock Up Head
  • AIM008-004 Performance Clutch Coil Springs, up to 70% stiffer than stock
  • 6 x shims 
  • Mounting Hardware