LS Headers 60-87 C10

Speed Engineering Long Tube Mandrel Bent, 304 Stainless Headers Compatible with all LS Swap Mandrel Bent Tubing 1 7/8" Primaries 3" Collector Longtube Header Design LS Swap Conversion Header Perfect Ground Clearance for Air Ride & Lowered applications Works on factory & most aftermarket chassis Porterbuilt, Choppin Block, ect. Merge Spikes 4.8L, 5.3L, 6.0L, 6.2L, LS1, LS2, LS3, LS6, LSA Engines CNC Machined Flanges Standard Graphite Manifold Gaskets Vehicle Applications: 1960-1987 C10 Trucks 1960-1987 K10 Trucks (1960-1966 C10 Trucks require slider engine mounts to clear the front crossmember) Note: If using a larger 4L80E, older Turbo 350/400 or Manual transmission the bellhousing ears may need to be trimmed for proper clearance Note: Headers do not hang below the frame and offer ground clearance with air ride suspension and lowered suspension. Customers have installed this product on Choppin Block, Roadster Shop(with Pro spindles), Porterbuilt, and other front drop members with air ride and coil over suspension. Note: Can fit 4wd applications with proper engine position and custom exhaust work. Having lifted suspension is a plus for driveline clearance.  Note: This product with off road x pipe kit will need a modified or aftermarket crossmember for fitment on installation. This kit will work with Suspension Engineering transmission crossmember with required shims (4L60 will need 3 shims). (Warning) This is a RACE ONLY product manufactured and sold for installation on vehicles to be used solely for competition purposes. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. If you install this part on your vehicle and use the vehicle on a public road or highway, you will violate the Clean Air Act 203(a)(3), 42 U.S.C, 7522(a)(3) and may be subject to personal civil or criminal liability.