This is an Original Chevrolet (GM) Water Pump used on 1968 Corvettes Camaros Chevelles and NovaSS (DATED). This pump is casting # 3859326 and is a dated H 2 7 (August 2, 1967). The upper outlet on this pump came with either a 1/2" or 3/4" outlet. This is pump has a 1/2" to 3/4" reducing bushing in it that is not detectable.

The 3859326 pump typically came on the high performance small blocks with high RPM solid lifter camshafts.

This pump was professionally rebuilt and comes with a 1 year guarantee. It was used in the following applications:

67 Corvette NovaSS (DATED) - 327 Cu. In. - 350 HP

67 Chevelle (DATED) - 327 Cu. In. - 325 HP

67 Camaro Z28 (DATED) -  302 Cu. In.  - 290 HP