Moroso Billet Single Groove Crankshaft Pulley - BB Chevrolet - Single Groove - 1968-Earlier (With Short Water Pump) - 25% Reduction - 5.40" O.D. FR Underwear Bottom 1979-2000 GMC K3500

1979-2000 GMC K3500

Kit includes: billet aluminum mounting block with two -8 SAE o-ring type female connections ports

super-washed merino wool

These carbureted fuel pressure regulators have an internal diaphragm made of fluorosilicone to ensure high temperature protection resulting in an extended life

Moroso Billet Single Groove Crankshaft Pulley - BB Chevrolet - Single Groove - 1968-Earlier (With Short Water Pump) - 25% Reduction - 5.40" O.D. FR Underwear Bottom 1979-2000 GMC K3500Machined from solid billets of the highest grade aircraft aluminum for maximum durability Deep precision machined grooves ensure belt retention even during extreme changes in engine RPM When crankshaft and water pump pulleys are used together, water pump speed is reduced by approximately 30% Hard coat anodized for extended life Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street