Holley EFI Water and Methanol Injection Solenoid 600cc 400hp # HO557-103 Rate_Engine Fits the following models with

Fits the following models with original 289

351C or 351M

Chev LS3 L92 L76 L77 Holley EFI LS 105mm Hi-Ram Intake Manifold # HO300-117BK

GEN III 24x applications require coil harness EDL-35713

This is because there are two mounting locations for the Ford Alternator depending on what accessories you are running

Holley EFI Water and Methanol Injection Solenoid 600cc 400hp # HO557-103 Rate_Engine Fits the following models withHolley EFI Water and Methanol Injection Solenoid 600cc 400hp # HO557 103 Solenoid, Water Methanol Injection Nozzle, Aluminum, Anodized, Includes Fittings, Wiring Harness, Pigtail,Each Solenoid Type: Water injection Solenoid Material: Aluminum Solenoid Finish: Black anodized Fittings Included: Yes Quantity: Sold individually. Notes: Includes wiring harness with pigtail connector and nozzle. Delivers 600cc of water methanol per minute. For applications