Mustang UPR Underdrive Pulley Set SFI GT 2005-2010
Part Number: GMS-3023-03
Set of UPR SFI Underdrive Pulleys for all 2005-2010 GT Mustangs.
Get back the power you deserve from your power robbing accessories with UPR's all new SFI Rated Underdrive Pulley Set for your 2005-2010 4.6L GT Mustang. Includes both the SFI 18.1 rated crank pulley and gun drilled water pump pulley. Gains of up to 12 RWHP has been seen with these pulley.