Holley HP EFI ECU and Harness Kits 550-604 rwd Fits: 2003 Cadillac Escalade ESV

Fits: 2003 Cadillac Escalade ESV

RESONATED ANGLE 5" X 12"

5 to 8 psi

customizable dash for use in a variety of motorsports applications

Manifold has provisions for (1) 3/8 NPT and (2) 1/8 NPT fittings

Holley HP EFI ECU and Harness Kits 550-604 rwd Fits: 2003 Cadillac Escalade ESVMPFI HP ECU AND HARNESS KIT Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and ignition of your engine