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These adapters are for 1963-1972 C10 trucks with an LS or LT engine
7L V8 1975 - 1978 GMC C25 350/5
3L V8 1979 - 1986 GMC G1500 350/5
5 Primary Pump Nozzle Size 37 Product Type Carburetor Secondaries Mechanical Secondary Main Jet 102 Secondary Pump Nozzle Size 37 Supercharged Application No Throttle Bore 2
LS COOLING MANIFOLD RAW - 97-163 1inventory These adapters are for 1963-1972Overview: LS COOLING MANIFOLD RAW for Mid Mount Accessory Drive Features: Genuine Holley Quality Parts Application: Year Make Model Submodel Engine Size Universal Specs: Application GM LS Engines Brand Holley Emission Code 5 Engine GM LS Finish Satin Inlet Size 35. 4mm 1. 4" Product Type Manifold
