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1976-1980 GMC C25/C2500
Muffler Part Number: 53070
2L V8 1974 - 1980 Plymouth Trailduster 360/5
7L V8 1959 - 1965 Chrysler Town & Country 413/6
HP EFI ECU & Harness Kits - 550-617 featured 1976-1980 GMC C25/C2500Overview: Looking for a plug and play kit for your Ford Modular engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more! Is your cam too wild for a MAF? Power adders? You name it, and Holley EFI can handle it. Features: Designed specifically for 1999 2004 Ford Modular 4 Valve Engines Plug and play with factory sensors; Crank, Cam, TPS, Coolant Temp, etc Plug and play with factory actuators; Coils,
