Holley 48 lb/hr EV1 High Impedance Fuel Injectors 522-488 Holley EV1, High Impedance type Performance Fuel Injectors features high quality brass winding, a precision disc valve with high temperature o-rings. They are available from 19 lb/he to...

Holley 120 lb/hr EV1 Performance Fuel Injectors 522-128 Holley EV1, Low Impedance type Performance Fuel Injectors features high quality brass winding, a precision disc valve with high temperature o-rings. They are available from 19 lb/he to 168 lb/hr...

Holley 160 lb/hr EV1 Performance Fuel Injectors 522-160 Holley EV1, Low Impedance type Performance Fuel Injectors features high quality brass winding, a precision disc valve with high temperature o-rings. They are available from 19 lb/he to 168 lb/hr...

Fast EZ-EFI Color Display Touchscreen Hand-Held  Upgrade your first generation EZ-EFI Hand-Held to a Color Touchscreen! Serving as the Setup Wizard initially, it then becomes an electronic gauge screen. The hand-held has various advanced features...

Edge Gas Evolution CS2 1999-2016 Programmer 85350 50 State Legal for all gas thru 2016, LEV 3 pending D-541-9/D-541-17 A Great Stride in Evolution Edges Evolution CS is a crowd favorite so why fix something isn't broken. Believe us when we tell you, we...

FAST Air/Fuel Ratio Meter 170401 A must have for your tuning tool box! Accurately measure you air to fuel ratio to prevent premature engine failure. Features: Built-in Data Logging with On-Screen Play Back Full Graphic, Easy to Use Display Single Sensor

FAST Air/Fuel Ratio Meter 170402 A must have for your tuning tool box! Accurately measure your air to fuel ratio to prevent premature engine failure. Features: Built-in Data Logging with On-Screen Play Back Full Graphic, Easy to Use Display Dual Sensors...

Holley Terminator GM LS 4.8,5.3,6.0L 24x MPFI Kit 550-614 Features: For 1997 to 2007 4.8/5.3/6.0 truck engines with 24x crank reluctor/span> Kit includes everything you need to control your stock or mild LS Bosch wideband oxygen sensor included...

Holley Terminator GM LS 58x MPFI Kit w/ DBW & Trans Control 550-613 Features: For GM LS2/3 engines and 2007 to current 4.8/5.3/6.0 truck engines with 58x crank reluctor, drive-by-wire, and 4L60/4L80E transmissions Kit includes everything you...

Holley HP EFI GM LS 58x ECU & Harness Kit w/ NTK O2 550-607N Features & Benifits: Intuitive software and features designed for novice and veteran tuners  Fuel and Ignition Control for 4, 6, 8, 10 cylinder even fire engines  Capable of...

Holley HP EFI GM LS 58x ECU & Harness Kit w/ Bosch O2 550-607 Features & Benifits: Intuitive software and features designed for novice and veteran tuners  Fuel and Ignition Control for 4, 6, 8, 10 cylinder even fire...

Holley HP EFI GM LS 58x ECU & Harness Kit w/ NTK O2 550-603N Features & Benifits: Intuitive software and features designed for novice and veteran tuners  Fuel and Ignition Control for 4, 6, 8, 10 cylinder even fire engines  Capable of...