Made from aircraft quality machined aluminum alloy these BBK under drive front accessory pulley kits are a direct fit for 2001-2004 Mustangs equipped with 4.6L engines.
Free horsepower. BBK's pulley kits reduce parasitic losses driving engine accessories and transfer more power direct to the rear wheels.
No hassle install. Experienced wrenchers are able to install these kits in under 30 minutes re-using the factory serpentine belt.
Proper charging & cooling. The pulley diameters in this engineered package make power turning select engine accessories at a slower speed while still maintaining proper alternator charging and water pump cooling functions.
Note: Only fits late 2001 models with concave design water pump pulley. Early model 2001 with convex design should use BBK pulley kit 1555.
Features & Benefits
- Frees up 8-10 horsepower
- Uses factory length serpentine belt
- Retains proper cooling and charging characteristics