Back in the late 1980’s when our team was figuring out the best ways to get more horsepower out of Detroit’s latest breed of electronic fuel injected models, our engineers started playing with the speed of the serpentine belt system. Unlike earlier carbureted vehicles that used separate belts for many of the accessories, these latest vehicles all came standard with a single serpentine belt that ran all accessories.
All BBK performance underdrive pulleys begin life as billet 356 aluminum alloy which is precision CNC machined for maximum performance and a perfect fit. Most kits include a new crankshaft, water pump and alternator pulley and are a direct bolt on designed for either street or track use. Mustang, systems are now produced for many Ford, Dodge & GM auto and truck models.
Installation is straight forward and seat of the pants performance gains are second to none for such an affordable power adder. While our first underdrive pulley kit was designed for the original 5.0L
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