The Chevy Big Block EWP Header Adapter Kit is designed in conjunction with an EWP Electric Water Pump Combo Kits to replace your existing belt-driven mechanical water pump on the Chevrolet engine.

The Davies, Craig EWP Header-Adapter Kit which has been designed for use with EWP Electric Water Pumps to replace your existing belt-driven, mechanical water pump on V8 engines. Further, if your belt-driven, mechanical water pump has a mechanical fan, you will need to replace this fan with a suitable Thermatic Fan.