Exhaust Manifold Header for C-10 LS Chevy GMC LS1, LS2, LS3 Shorty Engine Conversion Swap Truck 4.8L 5.3L 5.7L 6.0L 6.2L V8 Engine

Description: 100% brand new, Never been tried or installed Made out of 304 stainless steel and offer great quality, performance, and affordability. Headers are mandrel bent, tig welded, and feature polished stainless steel construction. All of headers have been dyno proven. We utilize V-Band collector construction, merge spikes, port matched flanges, and improved header to block/chassis clearance". Mandrel Bent Tubing Full 1 5/8" Primaries 2 1/2" Collector V-Band Collector Construction Collector Merge Spikes Port Matched Flanges Gains over 18+ rwhp V8 Engines Only 4.8L, 5.3L, 5.7L, 6.0L, 6.2L Engines CNC Machined Flanges Polished 304 Stainless Steel Standard Graphite Manifold Gaskets Professional installation is highly recommended Installation Instruction is NOT Included   Note: "For LS series engine swaps only" These do not work on standard SBC or BBC. Note: If using a larger 4L80E or older Turbo 350/400 transmission the bellhousing ears may need to be trimmed for proper clearance. Our headers are tucked in tight due to narrow older frame clearance.   Fitment: C10, Pickups, Panels: Chevy & GMC Trucks 1960+ For Exact Years and Models, Please Check Compatibilities   Package including: Hardware such as Gaskets and Bolts as Shown in the Picture Above