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7 V8 1970 - 1972 Chevrolet C20 Suburban 402/6
5L V8 273 CID 2BBL
Connects at Header Collectors
Also Fits: 64-65 Ford Falcon
Holley EFI GPS Speedometer - 553-123 air-intake 7 V8 1970 - 1972Overview: Holley is pleased to announce the continuing evolution of its very successful analog style gauges with the release of new 3 3 8" and 4 1 2" speedometers and tachometers to complement our 2 1 16" gauge line. These are designed specifically for use with Holley EFI systems or as a standalone unit and available in both black and white face versions. These gauges are compatible with all Terminator, HP, Dominator, and Sniper ECU's, allowing them
