These new adapters allow easy installation of a remote mounted electric water pump on the GM LS engine. These billet aluminum block adapters feature (4) -12 AN O-ring female ports for routing coolant to the radiator & remote mounted electric water pump. The 1/8" NPT Port can be used to connect to the steam tube plumbing. Ideal for use w/ Earl's Adjustable Coolant Cross-Over Tube - part number LS0035ERL.
