SBC Engine Pulley Set 20% Reduction

20% reduction pulley set reduces water pump and fan speed which reduces parasitic losses and increase usable horsepower CNC machined aluminum construction with deep grooves eliminates thrown belts Ideal for circle track and other race engine operating above 6500 RPM Double groove pulleys allow for other accessories to be used such as power steering pump and alternator A matched pair of heavy duty belts are included so you don't have to search for the proper belt length

Replacement belt set #747-91015401