GM LS Engine Swap HeadersFits 1967-1999 GM TrucksLS1/LS2/LS3/LS6/LS7Round PortHeavy-Duty 3/8 in. Thick Flanges1 3/4 in. O.D. Primary Tubes3 in. O.D. x 8 in. L CollectorsSteelSilver Ceramic Coated FinishPair JEGS 555-30084 GM LS Swap Headers Feature:Heavy-Duty 3/8 in. thick flanges to prevent warpage16-gauge 1 3/4 in. O.D. primary tube diameterO2 sensor bungs welded on both collectorsExcellent spark plug accessJEGS 555-30084 GM LS Swap Headers Includes:(12) M8-1.25 x 25.4 mm (1 in.) UHL with 13 mm Hex Flange Head(2) LS Header Flange GasketsJEGS Recommended Engine Mounts:JEGS LS Engine Swap Motor-Mount Adapters. Adapts Small Block Chevy Motor-Mounts.
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