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SR Performance Underdrive Pulleys; Polished (96-Mid 01 GT)

Item 41129
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      Video Review & Installation

      Hey I’m Justin with AmericanMuscle.com, and I’m going to be breaking down the SR Performance underdrive pulleys, fitting the 4.6L V8 motor found in all 96-04 Mustangs. Engine accessories like the AC compressor, water pump and alternator can really rob your car of horsepower, a great example of how an accessory can really eat up is whenever you turn your car’s AC on, and instantly everything feels a little more sluggish. This is referred to as parasitic drag. The job of an underdrive pulley is to turn the different accessories at a different speed by using a different sized pulley, thus requiring less amount of energy from the engine to turn the accessory belt. This reduction in drag on the crank shaft will allow the engine to work more efficiently, and should equate to more power at the rear wheels. The SR Performance kit does include a brand new crank pulley, a new water pump pulley which will differ depending on your year, a new alternator pulley, and all the hardware and spacers needed for the install. All 3 pulleys have been made from lightweight aluminum and feature a nice bright polished finish, which should definitely help the appearance side of things underneath the hood. As far as the install is concerned, it really shouldn’t be all that bad, ideally, you should have a torque wrench on hand before you get started, as well as some high temp RTV sealant and a breaker bar for that crank pulley. Again this isn’t the hardest job, but you should expect to spend about 2 hours getting everything bolted up. If you should have any problems, you can always reference the detailed instructions along with pictures located on this product page. So if you’re looking to take some of the drag off your accessories, in turn freeing up some horsepower, and improving your throttle response, then you should definitely check out these pulleys from SR Performance, available right here at AmericanMuscle.com

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Free Up 10-15 Horsepower
      • Complete 3 Piece Kit
      • Durable, Lightweight Aluminum
      • Brilliant Polished Finish
      • Premium Quality Construction
      • Fits 1996-Mid 2001 GT Mustangs

      Description

      Free Up Horsepower. A set of SR Performance Underdrive Pulleys reduce parasitic drivetrain loss by cutting down the amount of power your accessories take up, these underdrive pulleys will free up 10-15 horsepower, without sacrificing cooling and charging functionality of your Pony.

      Premium Quality Construction. CNC-machined from lightweight aircraft grade quality aluminum alloy for strength and durability, these SR Performance pulleys feature a bright polished finish that will give your engine bay an eye-catching high performance appearance.

      Easy Installation. These SR Performance Mustang Underdrive Pulleys installs quickly and easily in under 2 hours with no modifications required.

      Application. This SR Performance 3-Piece Polished Aluminum Underdrive Pulley Kit is designed for use on 1996 to 2001 GT Mustangs equipped with the SOHC 4.6L V8 engine and the a long water pump (bowed out face). Reuses factory belt.

      Technical Note. Midway through the production run for the 2001 model year Ford changed the design of the water pump on the 4.6L engine. The older style pump produced from 1996 to mid 2001 had a longer shaft. In January of 2001 the design of the pump was changed to a shorter shaft. This necessitated a change in the design of the pump pulley.

      Click here to see pictures of the different pulley styles.

      SR Performance

      Fitment: 1996 1997 1998 1999 2000 2001

      SR Performance 41129

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Crank Pully
      • (1) Water Pump Pully
      • (1) Alternator Pully
      • (4) Bolts
      • (3) Washers
      • (2) Spacers
      • (1) Instruction Sheet
        Hardware included:
      • None Required

      Tech Specs

      Underdrive Pulley Specifications
      Year/Model:96 to Mid 01 GTManufacturer:SR Performance
      Material:AluminumFinish:Polished
      Crank Pulley: PiggybackSFI Certified:No
      4.5

      Customer Reviews (100+)

        Reviews of SR Performance Engine products have an average rating of 4.4 out of 5

          Questions & Answers

          10 More Questions

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