I installed the Ford 1993 Cobra crank pulley on my GT. The alt. and water pump are still stock. I did notice a difference in performance. Total cost....$19.00 including shipping and handling.
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Scott93GT
1993 Mustang GT
Silver CC/Titanium Accent GT, Black Clothe interior.
5 speed, 3.08's, 3 chamber Flows, K&N, Hurst Competition Plus.
1991 F150 4x4 XLT Lariat
Six Stick Regular Cab LWB Tow Vehicle