Moroso Single Groove Crankshaft Pulley - SB Chevrolet - Single Groove - 1969-Later (With Long Water Pump) - 50% Reduction - 4.00" O.D. BR20015 Extra-long doors

Extra-long doors

Fits all 2/4 wheel drives and wheelbases except std cab/short bed

Ultra Enforcer

250C 1972-1970

Now you can plumb a true return-style system into your Corvette without the worry of the siphon system and while using the factory fuel tank

Moroso Single Groove Crankshaft Pulley - SB Chevrolet - Single Groove - 1969-Later (With Long Water Pump) - 50% Reduction - 4.00" O.D. BR20015 Extra-long doorsPrecision machined from high grade, lightweight aluminum castings Extra deep belt grooves provide added belt retention during rapid changes in engine RPM Small pulley diameter slows fan, water pump, and alternator speed to reduce horsepower robbing drag High RPM water pump operation is improved, reducing impeller speed below cavitation threshold Use 36 x 17 32" wide belt Moroso Performance Products is one of the worlds most respected suppliers of