Peterson Fluid Systems oil inlet adapter (-10 port x -10 x 3.750") is an aluminum front-of-block fitting offering a 3.750-inch length for routing oil to the block over the water pump on small-block Chevy engines. The adapter accepts -10AN hose and places the inlet at a specified reach for installation flexibility in front-mounted oil feeds.
Peterson Fluid Systems Oil Inlet Fitting -10AN Portx - 10 x 3.750