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VMP Pulley for Roush 2.3L TVS Supercharger Kit (11-17 GT)

Item 390786
AmericanMuscle no longer carries the VMP Pulley for Roush 2.3L TVS Supercharger Kit (11-17 GT). Please check out 2015-2020 Mustang Superchargers for an updated selection.
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Features & Details

  • Gain up to 4.5 PSI Over Stock Boost
  • You Pick How Much Boost You Want to GAin
  • Black Anodized Aluminum or Powdercoat Steel
  • May Use Pump Gas or Race Fuel
  • No Tune or Fuel Upgrades Required Down to 79mm
  • Fits 2011-2017 Mustang GTs Equipped with a Roush 2.3L TVS Supercharger Kits
Pick Your Boost. These pulley upgrade options for the 2.3L TVS Supercharger Kit allow you to add just the right amount of boost with the amount of investment and performance you want to achieve. Larger options require no tune or fuel upgrades, while still affording you impressive boost and power gains. Each pulley is designed to perfectly fit the Roush Supercharger that comes in the 2.3L TVS Blower Kit.

Solid Construction. Each pulley is constructed of either anodized aluminum or black powdercoat steel (69mm only). These pulleys are precision-machined from solid billets and ensure perfect rotating mass and reliability under the higher performance strains they afford your blower.

Installation. Installing one of these upgraded VMP Performance pulleys requires basic hand tools and a little patience. They're designed to fit on the Roush 2.3L TVS Supercharger Kit with no additional modifications necessary.

Application. These pulley upgrade options from VMP Performance are designed to fit any 2011-2017 Mustang GT equipped with a Roush 2.3L TVS Supercharger Kit. 
Pulley SizeBoost Increase (Total PSI)Fuel RequirementsConstruction
85mm+1 PSI (8.5 PSI)Pump Gas / No Upgrades RequiredBlack Anodized Aluminum
82mm+2 PSI (9.5 PSI)Pump Gas / No Upgrades RequiredBlack Anodized Aluminum
79mm+2.5 PSI (10 PSI)Pump Gas / Fuel Upgrades AdvisedBlack Anodized Aluminum
72mm+4 PSI (11.5 PSI)Pump Gas / Fuel Upgrades RequiredBlack Anodized Aluminum
69mm+4.5 PSI (12 PSI)Race Fuel / Fuel Upgrades RequiredBlack Powdercoat Steel

*Ti-VCT settings will change boost, quoted boost numbers based on VMP Tune.

This product will not ship to addresses in California due to state regulations. Additionally, support will not be provided for tuning for California residents.

Fitment: Details

CA Residents: WARNING: Cancer and Reproductive Harm -

What's in the Box
  • (1) 2.3L TVS Supercharger Pulley
Installation Info
Tech Specs
Will it fit my Mustang?

    Customer Photos (3) Submit Your Photo

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      Questions & Answers (12)

      5 Top Rated Questions

      I have a 2016 roush stage 3 with the 670hp set up. What pulley do they come with from the factory and what would a 79mm work without the fuel tube and belt upgrades? Also how much more boost would I make from the stock pulley to the 79mm approx. at 10ish pounds of boost now

      • The Roush 670hp kit will utilize a 90mm pulley. Your car will not require upgrades with any pulley 79mm or larger.

      Helpful (2)

      Hi, when reducing from 90mm to 85 or 82 are really no tunes required? I have been told otherwise...

      • A tune is not required. However, when upgrading the pulley, we do recommend a tune.

      Helpful (1)

      I have a roush phase 1 s/c, will I need a different belt to drop down to a 79mm pulley?

      • You will not need a different belt when upgrading to the 79mm VMP Pulley

      Helpful (1)

      I have a Roush stage 2 with 80mm pulley what fuel upgrades do I need to drop to a 72mm and how much a boost gain will it make. I alreay run a VMP tune and will just have to get it adjusted

      • The answer to this question entirely depends on the tune written for your application. You would need to speak with VMP directly to, A, confirm this will be a modification worth doing, and B, to confirm what kind of gains you would expect from a modification such as this. Speaking with your tuner stands true for any and all performance modification questions when a supercharger is involved.

      Helpful (0)

      What Specific products will I need from your site to upgrade to the 69 mm?

      Post Your Question
      7 More Questions
      Hi fellow enthusiasts, anyone have a rough overview of what the difference boost levels result in overall hp gains? For example 90mm to 85, to 82 etc.? Thanks 1 answer
      I have a 2017 5 L with the roush 2300 supercharger making 727 as advertised Believe the stock pulley is 80 mm i’m thinking of changing it to a 72 mm well I need a new belt and a tune Also what will be the boost differential or gain is it about 4 pounds . 1 answer
      What size has the loudest whine to it? 1 answer
      Ive got a 2017 Gt with a Roush phase 2 installed wil I need a new belt and a tune with this pulley 1 answer
      I have a Roush R2300 625HP Supercharger - Phase 2 Kit on my 2014 GT it has a 85mm pulley on it now. I am thinking about putting on the 79MM VMP Pulley for Roush 2.3L TVS Supercharger Kit (11-17 GT) Would I need a new Serpentine Belt , tune or upgrade the fuel system in anyway Thanks Gary Spielberg 1 answer
      What fuel upgrades would be recommended for the 69mm pulley. I'm already running roush stage two that has the fuel pump voltage booster. 1 answer
      Curious if this is compatible with the r2300 2.3 TVS supercharger offered for a 2011 F150, or if the bolt pattern or belt size is going to be different? 1 answer

        Customer Reviews (7) Write a Review

        Overall Rating 5

        out of 5 stars

        Installation Time:Less than 1 Hour

        • Performance Gain 5 5
        • Fit 5 5

        • 5/5

          Installation Time: Less than 1 Hour

          June 22, 2017

          79mm pulley

          Great product, fast shipping . Fit and finish were excellent and a breeze to install . Gain a bit of power over stock pulley .


          Year: 2017 Submodel: GT

          Helpful (4)

        • 5/5

          Installation Time: Less than 1 Hour

          June 22, 2017

          Big power increase!

          Took about 10 minutes to install, replaced my 10lb (Phase 2) pulley...Massive power surge after 4000rpm and I can almost hear the supercharger now.


          Year: 2017 Submodel: GT

          Helpful (6)

        • 5/5

          Installation Time: Less than 1 Hour

          June 01, 2017


          Purchased a 72mm pully, took maybe 20 min to switch out and made a big difference on the boost. Only complaint is I never could find what size belt I needed for the new pully which the original belt does work and with research on other websites found that for the 72 mm pully you will need a 81.5 mm 6 rib serpentine belt. I haven't put it on the dyno yet still see how much hp gain but when I do I will update


          Year: 2014 Submodel: GT

          Helpful (10)

        • 5/5

          Installation Time: Less than 1 Hour

          April 13, 2017

          79MM Pulley Install on Roush 2300 Supercharger

          Perfect fitment, easy install, utilizes the original belt and the performance gain is really noticeable! You won't be disappointed!


          Year: 2017 Submodel: GT

          Helpful (7)

        • 5/5

          Installation Time: Less than 1 Hour

          February 16, 2017

          Super charger pulley install

          Part fit perfectly and arrive quick thanks american muscle


          Year: 2016 Submodel: GT

          Helpful (4)

        • 5/5

          Installation Time: Less than 1 Hour

          January 29, 2017

          one small upgrade HUGE difference.

          Qality is spot on it makes more PSI not to mention you dont have to change ur belt..


          Year: 2015 Submodel: GT

          Helpful (7)

        • 5/5

          Installation Time: Less than 1 Hour

          January 11, 2017

          Whoe this thing is crazy.

          I really felt the difference when gassing it. Was defenetly a way smoother transition when driving


          Year: 2016 Submodel: GT

          Helpful (3)

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