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

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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.