Moroso Billet Single Groove Crankshaft Pulley - BB Chevrolet - Single Groove - 1968-Earlier (With Short Water Pump) - 25% Reduction - 5.40" O.D. R060002L Mounting flange gasket type -

Mounting flange gasket type - O-ring

Bolt On Bars

Does not fit TH350C models with locking torque converter

35 to 85 psi

Moroso Billet Single Groove Crankshaft Pulley - BB Chevrolet - Single Groove - 1968-Earlier (With Short Water Pump) - 25% Reduction - 5.40" O.D. R060002L Mounting flange gasket type -Machined 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