Holley EFI Terminator 550-614 LS MPFI Kit for 1997-2007 4.8 5.3 6.0 Truck Engines with 24x crank1997 2007 4. 8 5. 3 6. 0 Truck Engines with 24x crank reluctor, No Laptop Required, 3. 5" Touchscreen Included Get all the great features of Terminator self tuning EFI in a bolt on system for GM's popular LS engines! The 550 614 kit controls fuel and spark through the Terminator's new 3. 5" touchscreen! Install, answer a few basic questions and drive. No laptop required! Features: For 1997 to 2007 4. 8 5. 3 6. 0 truck engines with 24x crank reluctor