Return is -10 ORB port but it can be changed as the threads are ORB allowing the racer to run a step fitting.
Fits most Little Bertha pumps with the four bolt manifold on the top of the pump. Includes mounting bolts and O-rings. Shut off arm has two drilled and tapped holes to get smooth cable alignment.
Shut off measures 1.730" tall from mounting surface to mounting surface. Shut off must be used with a Waterman outlet block that the racer can purchase separate under part #310-038A then -8, -10 or -12 ORB outlet port can be chosen.