SKU: 29122109160
Ships within 48 hours · Estimated delivery Sep 20 - Sep 25
32" Fuel System Type Carb Manifold Type Split Single Plane Product Type Manifold Rear Height 7
Part Number: 817701
2020-2026 Chevrolet Silverado 3500 HD 401 CID
Note 1- big block frame stands and motor mounts must be used to ensure proper engine location and header fit
Holley EFI GPS Speedometer - 553-123 brake-hoses 32" Fuel System Type CarbOverview: 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
