Typically a long water pump was used on Chevrolet big block V-8 engines in passenger cars 1969 & up and trucks 1973 & up. The Chevrolet big block V-8 engines were available in sizes: 396, 402, 427, 454, & 502. The brackets in this section are designed to fit Big Block Chevrolet Engines with a Long Waterpump and V-belt pulleys. We offer a variety of configurations such as high mounts to fit tall narrow engine compartments and low wide mounts for vehicles with low hood clearance.