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Home > Supercharger Kit Parts > Gear Drive Systems

Gear Drive Systems

Supercharger Gear Drive (Vertical) - Chris Alston's Chassisworks

  • Models available for most Vortech, Procharger and Paxton Superchargers.
  • Engine Applications Include:
    • Small Block Chev
    • Big Block Chev
    • LS Series (Standard, LSX, Wareagle, RHS and Dart Billet Blocks)
    • Ford Small Block
    • Ford Big Block 429-460
    • Ford Modular 4.6L & 5.4L
    • Pontiac Aftermarket Block
    • Studebaker 289 V8
    • Mopar Small Block and Big Block
    • BAE Hemi
    • MBR 8.3L Hemi
  • Broad selection of drive ratios.
  • Large 1-3/8" wide quick change gear set.
  • Timing pointer built in.
  • Crank trigger pick-up mount built in.
  • Oil level sight glass.
  • Aluminium Blower and Crankshaft Hubs (Optional high-strength, heat-treated stainless steel)
  • Two piece case with alignment pins.
  • Scalloped gearbox and mount plates to remove excess material
  • Pocket-milled in low stress areas to reduce weight.
  • Multiple auxiliary shafts provided to drive additional accessories (crankshaft RPM and blower RPM shafts).
  • Accessory drive options also available.
Drive Hub Bushings
The drive hubs between the crankshaft, gear drive and supercharger use high-density urethane coupler busings (available in multiple durometers) to dampen harmonics and extend bearing life.

Accessory Mounts - Chris Alston's Chassisworks

  • Accessories can be mounted off the output shaft or by fitting a drive extension.
  • Accessories can also be mounted to the gear drive base.
  • Accessory drive options available for:
    • alternator
    • fuel pump
    • magneto
    • vacuum pump
    • distributors
    • water pump
    • power steering pump


Accessory Reduction Drive - Chris Alston's Chassisworks

  • 50% crank speed reduction drive
  • Driven off available output shaft of gear drive
  • Adjustable position support spacer
  • Modular output port accepts V-clamp, aeromotive style clamp, cable-drive adapters or drive cap when output port is unused.
  • Mount single or dual accessories off front or rear of drive.
Drive Cap
Cap off the unused output port to keep bearings free of debris

Cable Drive Adapter
Easily drive accessories mounted remotely from the engine.


Accessory Line Drive - Chris Alston's Chassisworks

  • Extends accessory mounting range.
  • Additional output ports.
  • Fully enclosed Poly Chain GT carbon belt.
  • Driven off available output shaft of reduction drive.
  • Versatile V-clamp mount allows rotation of line drive to raise or lower accessory branch.
  • Drive up to three accessories off front or rear output ports.
Splined Adapter
  • 5/8" Bore
  • 3/16" or 1/8" Keyway
  • 3/8" Hex


Dry Sump Pump Adapter - Chris Alston's Chassisworks

  • Adapts Moroso door-car and dragster single-stage and dry pumps to V-clamp style mount
  • Rear support available, features single stud for simple attachment to fabricated support bracket.


Vacuum Pump Adapters - Chris Alston's Chassisworks

  • Available to suit:
    • Star Mountain Vacuum Pumps
    • Moroso Vacuum Pumps


Alston Gear Drive Rebuild - Vortech

  • To Suit Supercharger Gear Drive - Vortech

Price List - Supercharger Kit Parts

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