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capable of withstanding valve spring load
Speedmaster serpentine belts are designed to keep your accessory drive operating properly
Speedmaster ball joints help to restore your chassis to like-new condition
Our Speedmaster polished alternator brackets are brand new pieces that are stamped from heavy-gauge steel for strength and durability
They're available in a variety of styles to suit your needs
1979-1993 Ford 5.0L Steel Serpentine 20% Underdrive Pulley Set Chrome capable of withstanding valve springSpeedmaster underdrive pulley kits are built from aircraft quality material and computer machined. By reducing the speed of the accessories, these underdrive pulleys free up an average of 8 15 horsepower, while retaining full cooling and charging characteristics. Most kits can be bolted on in less than 30 minutes.
