Faithfull stamped steel reproduction with correct part number and code die stamped as
originals. Indispesable when adding air conditioning to long water pump motors, including
Vintage Air and other aftermarket A/C kits that do not include needed pulleys.
Group #: 0.659
GM Part #: 3937787
Packaged with a color logo header card.
Important Warning Concerning Crankshaft Pulleys. Stock replacement pulleys are not designed to exceed 400 horsepower or 6,000 RPM. Using reproduction pulleys on engines in excess of these limits my result in catast
Applications
69-75 Camaro, 69-75 Nova, 69-75 Chevelle, 69-75 El Camino, 69-75 Full size Chevy
Big Block