WATER NECK SPACER CHEV V8 2 x 3/8npt PORTS BLACK

Proflows water neck spacer for the SB & BB Chev engine adds 2 x 3/8 NPT auxillary ports which can be used to add coolant lines or sensors,including a water feed for your turbocharger or supplying extra coolant to the rear of the cylinder heads.Includes high temp viton o-ring. Height is 27mm.