This Billet light weight Alloy water pump pulley from MMR replaces the heavy steel factory pulley, which in turn reduces parasitic loss, increases throttle response and increases HP!!
This is a customer favorite, 1000's sold and customers always give feedback that this product provides a noticeable difference. Where else better can you spend $89!!
Available in factory 3 bolt or 4 bolt pattern - select below.
*Lightweight Vented Design
*Direct Factory Replacement
*Factory Size and Rib count
*Plug and play - no tune required
*Fits all 2011- 2021 (Mustang GT and GT350)