These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main jets are...

Dominator® EFI Vehicle Management Systems are intended for all engine applications, from street to unlimited high-end racing applications. In addition to the transmission control, drive by wire, and dual wideband oxygen sensor options, Dominator®...

Replacement Holley EFI NTK Wide band Oxygen sensor. This sensor is a direct replacement for Holley HP, Dominator, Avenger and Terminator EFI systems. Each Sensor is hand calibrated to insure accurate readings when used in conjunction with your Holley EFI...

Plug and play for Holley Avenger, Terminator, HP, and Dominator ECU fuel and oil pressure inputs. Plug and play for both fuel and oil pressure inputs with Holley EFI systems (Terminator systems monitor fuel pressure only) Stainless steel construction...

Replacement Holley EFI, Bosch Wide band Oxygen sensor. This sensor is a direct replacement for Holley HP, Dominator, Avenger and Terminator EFI systems. Each Sensor is hand calibrated to insure accurate readings when used in conjunction with your Holley...

Replacement Holley EFI NTK Wide band Oxygen sensor. This sensor is a direct replacement for Holley HP, Dominator, Avenger and Terminator EFI systems. Each Sensor is hand calibrated to insure accurate readings when used in conjunction with your Holley EFI...

Coolant Temperature Sensor for Holley EFI and commander 950 systems  

Gold Needle & Seat adjusting nut & lock screw Gold adjusting nut and gasket Gold lock screw and gasket

Power Valve Plug & Gasket Fits Holley Model 2300™, Model 4150™, Model 4160™, Model 4500™ One Plug and Gasket 1/2-28 Thread

Fuel Bowl Sight Plug & Gasket Kit Standard Replacment Two Gaskets Fits All Holley Carburetors Two Brass Sight Plugs

Fitting Gasket 7/8" Nylon 2 Per Package

Accelerator Pump Cam Assortment Kit Each Cam Is Different Shape/Profile Gives Different Results Tailor Accelerator Pump Performance