Summit Racing™ LS conversion headers are made of 304 stainless steel and offer great quality, performance, and affordability. These will allow you to swap an LS into almost anything and provide more clearance than manifolds at the collectors. Our headers are mandrel bent, TIG-welded, and feature a polished stainless steel construction. They also feature V-Band collector construction, collector merge spikes, and include collector stubs, bolts, and graphite manifold gaskets for easy installation. Header Style: Shorty Header Material: 304 stainless steel Primary Tube Outside Diameter (in.): 1 5/8 in. Header Color: Polished Flange Style: Standard Weld-Up: No Cylinder Head Port Shape: Round Collector Attachment: V-band Collector Diameter (in.): 2.50 Collector Reducers Included: Yes Collector Reducer Exit Diameter: 2.500 in. Tuned: No Bolts/Studs Included: Yes Gaskets Included: Yes