Fits Vortec

Small Block

Long Water Pump

Mounts Alternator on Driver's Side

Designed for 1987 and later heads

Works on GM aluminum heads

Works on Wide Engine Compartments in 1950s-1960s cars/trucks

Drill and Tap 1 bolt hole for 1969-1986 cast iron heads

Will not work with factory power steering bracket (must use 402L)