Got belt slip on your Mustang Supercharger? Reduce or eliminate it with the Mosaleen Idler Pulley Kit. Available for Ford Racing Whipple and Roush supercharger kits.
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11-14 FRPP KIT:
11-14 Roush Kit:
05-09 Saleen 3.40-3.60 Kit:
05-09 Saleen 2.87-3.20 Kit: