Holley EFI Benchtop Harness 558-127 AirFilters 6 V8 1970 - 1972

6 V8 1970 - 1972 GMC Jimmy 307/5 V8 1968 - 1971 GMC K15/K1500 Pickup 307/5 V8 1967 - 1968 GMC K15/K1500 Pickup 327/5

GMC 1500 Series (1963)

Attractive polyvinyl chloride (PVC) outer jacket in smoked clear with red inserts and polished connectors

12mm and 16mm threads

8L/V6 1994 - 1995 Chevrolet Caprice 5

Holley EFI Benchtop Harness 558-127 AirFilters 6 V8 1970 - 1972Firmware Updating Dash Configuration ECU Testing Features: Terminated connectors for several EFI inputs1 Included power switch allows for a quick ? install? on your test bench2 Great for ECU diagnostics that do not require a running engine, firmware updates, or 7? dash calibrations3 Specs: Brand Holley EFI Emission Code 6 Product Type Harness Warning California Proposition 65 Application: Year Make Model Submodel