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Reproduction double groove crankshaft pulley for 1966-68 Chevelle, Malibu, El Camino, 1968 full size models, 1967-68 Camaro, and 1968-74 Corvette models with Big Block 396 and 427 special high performance, and 454 engines. Both the 7" and 8" harmonic balancer used this pulley. For use on passenger models not originally equipped with power steering. Stamped with part # 3921923. Measures 6-3/4" OD.
Chevrolet Applications| Make | Model | Years |
| Chevrolet | Bel Air | 1968 |
| Chevrolet | Biscayne | 1968 |
| Chevrolet | Camaro | 1967 - 1968 |
| Chevrolet | Caprice | 1968 |
| Chevrolet | Chevelle | 1966 - 1968 |
| Chevrolet | Corvette | 1968 - 1974 |
| Chevrolet | El Camino | 1966 - 1968 |
| Height | 7 in |
| Length | 3 in |
| Weight | 2 lbs |
| Width | 7 in |