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LSA Flex Drive High Mount Accessory Drive System (ALT,PS) (Jackshaft Drive)

LSA Flex Drive High Mount Accessory Drive System (ALT,PS) (Jackshaft Drive)


Regular Price $2,555.00 $2,355.00 Sale

Optional Add Ons

PRE PRODUCTION SALE ENDS FEB. 15th Units Expected to ship Mid March 2023

LSA Supercharger Flex Drive Accessory System (Complete Kit)

Designed to drive Jackshaft Style Superchargers with LSA Offset

  • Magnuson Hot Rod 2650
  • Whipple WK-1810 (with custom LSA offset pulley)
  • Got a TVS LSA Offset supercharger not listed? Contact Us


  • Computer Designed, Water jet profiled and CNC precision milled and drilled brackets from 6061-T6 billet aluminum
  • The only High Mount A/C solution for Muscle cars using a 10 Rib serpentine belt to drive the supercharger using a factory style tensioner
  • Installs with no frame modifications on 60's/70's Muscle Cars
  • Compatible with any overdrive combination with up to a 10.00 lower pulley

Package Deal Includes:

  • 10 Rib Flex Drive System
  • LSA Tensioner with 10Rib 64MM Pulley
  • Alternator / Power Steering Bracket Kit
  • GM 6 Rib Belt Tensioner
  • GM Alternator
  • Power Steering Pump With Pulley
  • 6 Rib Serpentine Belt (6PK1940)

Installation Requirements (NOT INCLUDED IN KIT)

  • 10/12 Rib Supercharger Pulley
  • 10/12 Rib Crank Pulley
  • ATI Super Damper (PN #918859 or #918854)
  • 10/12 Rib serpentine Belt
  • LSA/LS3 Water Pump (Click Here)
  • 1/2 Manifold spacers required for the Whipple WK-1810 (supercharger has to be raised to clear the LSA/Zl1 water pump)

Recommended Power levels

  • 1000+ HP


  • Instructions - Coming Soon
  • Known/Proven Belt Combinations - Coming Soon
Customer Reviews
5 Based on 1 Reviews
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James ..
'+60HP On the Dyno

had one of those 8 rib truck spacing lsa drive kits and it kept shredding belts. put one of these on and not only stopped tearing up belts but picked up almost +60HP on the dyno over the single 8rib belt setup.