Holley Sniper EFI Stealth 4500 - Shiny Finish 12100 and a cotter pin

and a cotter pin

fuel injected or carbureted

brass seat and check ball

as well as a narrow-band simulator function that allows you to feed your engine's computer a factory signal while using the wide-band sensor for air/fuel measurement

1-1/8 in ID

Holley Sniper EFI Stealth 4500 - Shiny Finish 12100 and a cotter pinIntroducing the Sniper Stealth 4500 EFI System! Wanting to convert your Dragster or Pro street vehicle to Fuel Injection? Look no further! The Sniper Stealth 4500 EFI system from Sniper features 8, 100LB HR Fuel Injectors capable of supporting 800 to 1500 HP naturally aspirated, or 800 1250 HP on forced induction applications. The Sniper Stealth 4500 also features multiple Input and Output options for sensor inputs and switched outputs to control