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

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

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

Ceramic coated headers require several heat cycles to fully cure before they will withstand extreme heat

AC Delco: D580

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