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". Professional installation is highly recommended Installation Instruction is NOT Included Features include: For 60-86 C-10 LS Chevy GMC Truck Headers LS1 LS2 LS3 LS6 LS9 (Conversion Swap) 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". Professional installation is highly recommended Installation Instruction is NOT Included Features include: 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 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, Pannels: Chevy GMC Trucks 1960+ For Exact Years and Models, Please Check Compatibilities Package including: Hardwares such as Gaskets and Bolts as Shown in the Picture Above Payment We accept PayPal payment and other payments through PayPal Shipping Items will be shipped within 1 business days after your payment is cleared. All Customer's items will be shipped from our CA or NJ warehourse Import duties, taxes and charges are not included in the item price or shipping charges International orders may take 1~3 weeks to arrive Returns You can return your unused items back for exchange or refund within 60 days. Please contact us for return process before you return the item. Customer service Our Store Main Products Promotion Items Shop Category Store Home Exhaust Systems ? Exhaust Manifolds Headers ? Exhaust Pipes Tips ? Exhaust Tips ? Mufflers ? V Clamps ? Turbo Chargers Parts ? Exhaust Wraps ? Exhaust cutout Intake Systems ? EGR Valves Parts ? Air Intake Systems ? Cylinder Heads Parts Timing Components ? Timing Chain Kit ? Timing Belt Water Pump Kit ? Control Solenoid Valve Suspension Steering ? Shocks Struts ? Coil Springs ? Lift Kits Parts Chassis Parts ? Control Arms Parts ? Control Arms Parts-OEM ? Control Arms ? Sway Bars ? Caster/Camber Kits Engines Components ? Motor Mounts Cooling Systems ? Fans Kits ? Radiators Parts ? Intercooler Piping Kit Exterior ? Grilles ? Hoods ? Towing Hauling Brakes Brake Parts ? Air Dryers ? Master Cylinders Parts Interior ? Locks Hardware Automotive Repair Kits ? Dent Repair Kits Tools ? Other Automotive Tools Suppl ? Diagnostic Service Tools Other Parts ? Go Kart Parts ? Connectors Terminals Lighting Lamps ? Xenon Lights Gaskets ? Cyl. Head Valve Cover Gasket Hangers, Clamps Flanges ? T Clamps ? Narrow Clamps ? Step Clamps Transmission Drivetrain ? Universal Joints Driveshafts Air Intake Fuel Delivery ? Fuel Inject. Controls Parts Turbos, Nitrous, Superchargers ? Turbo Chargers Parts ? Turbo Chargers Rebuild Kit Fuel oil line fitting ? Fuel oil line ? Fuel oil fitting Other Hot Item Universal 3" Inch Stainless Steel V-Band Turbo Downpipe Exhaust Clamp Vband 76mm USD 12.87 8PCS Glow Plugs For Ford 6.0L 04-07 Super Duty F250 F350 Diesel 4C3Z-12A342-AA USD 16.99 1PC 2.75" (2.99"-3.31") 301 Stainless Steel T Bolt Clamps Clamp 77mm-85mm USD 1.78 2.5" Electric Exhaust Downpipe Cutout E-Cut Out Valve CONTROLLER REMOTE KIT NEW USD 53.88 EGR Bypass And Delete kit For Ford 2003-2007 F250 6.0L Powerstroke Diesel USD 24.88 Picture New List Item 4''CAT DPF Delete Pipe No Bung+4‘’In 7‘’Out Diesel Tip Black For 08-10 Ford 6.4L USD 159.99 Truck Bed Storage Box Toolbox Right For Chevy Silverado GMC Sierra 2007-2018 USD 106.66 100PC For 4-1/2'' 4.5 ID Hose 301 Stainless Steel T Bolt Clamps 121mm-129mm (description exceeds maximum possible length)