- Superior Reproduction Pulleys
- Heavy Gauge Stamped Steel, Machined steel on alternator pulley as original
- Deep Grooves for original high horsepower 396 & 427
- Correct Part Numbers & Inspection Stampings when necessary
- Replaces original GM Part # 3955291, 3941105, 3947824 & 1970831
- Will fit many big block applications with long water pump & 1969-70 Camaro engine brackets
Important Warning Concerning 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 catastrophic disintegration of the pulley causing severe damage to the engine, cooling system and body damage. Neither Midnight Oil nor Classic Headquarters assumes any liability for damages caused by improper usage of pulleys. Please be sure to install the pulley properly to avoid damages that could occur from improper installation or exceeding recommended RPM limitations.
Also Fits: 69-70 Nova, 69-70 Chevelle & El Camino, 69-70 Impala 396 375hp