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  Magna Charger Keyed Supercharger Pulleys the GTO MP112  
    Magna Charger Keyed Style 6 Rib Supercharger Pulleys are available in 6061-T6 Aluminum in 2.60", 2.75", 2.85", and 3.00" pulley sizes.

We now offer Magna Charger Radix Keyed Pulleys that fit both the 2004-2006 LS1/LS2 GTO's with MP112 Supercharger Kits, as well as The 2003-2004 LS1 Corvette's with MP112 Supercharger Kits!

Below are the Boost increases over stock 2.90" pulley application:
- 3.00" pulley: expect 1 lb. less boost over stock pulley.
- 2.85" pulley: expect 1 lb. more boost over stock pulley.
- 2.75" pulley: expect 2 lbs. more boost over stock pulley
- 2.60" pulley: expect 3 lbs. more boost over stock pulley

WARNING: The only way to install the 2.75" or the 2.60" Pulley is to have the Snout Housing Machined down for it to fit properly. Some Snout Housing Castings are made differently in sizes and do vary, as to what the smallest pulley you can use without machining. The smallest size we recommend is 2.85", without any machining performed on the snout housing casting area.

*** Above Boost Increases are Fully Dependent Upon proper Tuning and Modifications, to prevent any and all Knock Retard associated with using Smaller Supercharger Pulleys or Pulley Units!

NOTICE: Installation and Removal of the Stock pulley over to our New Pulley will require a Power Steering Puller Tool for use on this pulley application. You DO NOT want to use any Aftermarket Puller Tool, as it will not work properly and will Ruin the stock pulley on removal. This Removal Technique is only for the Magnacharger Keyed Style Supercharger Pulleys applications ONLY!

APPLICATIONS: 04-06 GTO with MP112 Magnacharger Supercharger Kit
03-04 Corvette with MP112 Magnacharger Supercharger Kit.
  3.00" Alum. Keyed Pulley $119.95 shipped

  2.85" Alum. Keyed Pulley $119.95 shipped

  2.75" Alum. Keyed Pulley $119.95 shipped

  2.60" Alum. Keyed Pulley $119.95 shipped


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