Moroso Billet Single Groove Crankshaft Pulley - SB Chevrolet - Single Groove - 1968-Earlier (With Short Water Pump) - 30% Reduction - 5.25" O.D 91101 Specially designed return spring arm

Specially designed return spring arm attaches to the carb for simple installation and smooth operation

8000 Performance Classic Series

Oil temperature sender only

HEI Style Distributor

The adjusters on these belts have improved mechanisms built in to provide a tight lock when tightened down which means no need to tighten your belts while driving anymore

Moroso Billet Single Groove Crankshaft Pulley - SB Chevrolet - Single Groove - 1968-Earlier (With Short Water Pump) - 30% Reduction - 5.25" O.D 91101 Specially designed return spring armMachined 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