This Peterson Fluid Systems oil inlet adapter (-10 port x -10 x 3.250") is an aluminum front-of-block fitting designed to accept a -10AN inlet and provide a 3.250-inch length for routing oil over the water pump area on small-block Chevy engines. It integrates with existing plumbing to position the oil input for specific installation needs.
Peterson Fluid Systems Oil Inlet Fitting -10AN Portx - 10 x 3.250