Description
Whipple Supercharger Pulley, 8 rib, standard offset 4 bolt, 3.5″. DOES NOT FIT LIGHTNING.
- Fits 03-04 Ford Mustang Cobra 4.6L.
- Fits standard offset, 4 bolt, 8 rib conversions.
Includes pulley, 4 bolts, and directions.
Fitment note for Cobra: 3.75″ pulley and larger will not fit under a stock hood without a K member spacer kit.
Picture is representative of product.

454 MPI Whipple Supercharger front support mounting bracket tracing
99-04 F150 Lightning 5.4L throttle body to supercharger plenum F81Z-9E936-AA
3.1" 99-04 F150 Lightning and 03-04 Cobra M112 press on drive pulley
3.75" 6 rib pulley, standard offset, 4 bolt 