Holley EFI Terminator X Handheld Controller 553-201 range-technology 25/8 V 1973 - 1986

25/8 V 1973 - 1986 Chevrolet C20 Suburban 4

7L V8 1986 Chevrolet C20 Suburban Silverado 350/5

Part Number: 18417

Also Fits GMC Sierra 3500

9L/L4 1996 - 2002 Saturn SL2 1

Holley EFI Terminator X Handheld Controller 553-201 range-technology 25/8 V 1973 - 19863. 5 in. LCD Touchscreen Features: Full Color, Backlit 3. 5? Touch Screen LCD1 Laptop Free Tuning changes to help optimize mileage, driveability and performance2 Basic Tuning options allow simple adjustments of Basic Fuel, Fuel Learn, Basic Idle, Spark, and More! 3 System Tuning options allow modifications to Outputs, Engine Setup, Ignition Setup4 Advanced Tuning options allow fine tuning of Fuel, Closed Loop, Learn, and Idle (including IAC parameters