Holley EFI - Holley EFI Terminator X Max - Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3 Rear Main Seal - 1-Piece

Rear Main Seal - 1-Piece - Rubber - GM LS-Series - Each

Coil Spring - Conventional - 5 in OD - 12 in Length - 275 lb/in Spring Rate - Black Powder Coat - Each

Fitting - Adapter Tee - 6 AN Male x 6 AN Male x 3/8 in NPT Male - Steel - Zinc Plated - Each

Don't settle for a factory ECU with a cumbersome tuning interface or pre-programmed tuning chip when you can have complete control of your engine

5 in Top - 4 in Flange - 7

Holley EFI - Holley EFI Terminator X Max - Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3 Rear Main Seal - 1-PieceThe 3. 5" touch screen LCD handheld contains an easy to use calibration wizard as well as tuning and gauge display functions. Also included is Holley EFI's industry leading, easy to use software suite that allows full laptop access for advanced users. Whether you are building a budget beater or a boosted race car, Terminator X MAX has the features and technology you need at a price that won't break the bank.