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Home » Search Products by Vehicle » 2005 and Newer Ford Mustang

Product ID: MRP2.57
Roush Supercharger Pulley
Roush Supercharger Pulley

Roush Supercharger Pulley

Mustang GT with Roush Supercharger

This 8-rib 2.57" pulley is a very popular upgrade for owners of new Mustangs equipped with Roush superchargers who wish to add more boost. 

The pulley is CNC-machined from high-grade steel for precision fit and extreme durability, and the surface is black oxide-coated.  The pulley is keyed and installs as a direct replacement for the original Roush supercharger pulley.

It is recommended to replace the factory idler pulley located directly beneath the supercharger pulley with a Metco Motorsports billet idler pulley, PN MIP-90, link here: 

The installation of this slightly larger idler pulley will facillitate the use of the existing belt when the MRP2.57 overdrive blower pulley is installed.

Note:  The 6-rib version of this 2.57" pulley was intended for the 2005-2008 Mustangs equipped with the Roush M90 supercharger.  This pulley is no longer offered in the 6-rib configuration.  Most earlier cars and some S197 cars use an 8-rib supercharger drive, which is compatible with the pulley offered here.  


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Price: $129.99
Out of Stock

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