Your car's alternator is powered by a belt connected back to the crankshaft pulley. Spinning this pulley draws precious horsepower from your engine. NEUSPEED's powertrain engineer, using sophisticated CAD software, performed a mass properties analysis of the crank pulley. The result is reduced parasitic drag on the engine and increased horsepower. This kit includes a new crankshaft pulley and ...
Unorthodox Racing Ultra Street lightened underdrive pulleys are CNC-machined from lightweight 6061-T6 aluminum billet. Premium 6061-T6 aluminum billet ensures the consistency of the material's strength and balance. Tolerances are held to within .001", and numerous machining steps are used to ensure the lightest possible design. In addition to fit, finish is just as important and each piece is repr...