Speed Engineering LS Swap Longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our LS swap longtube headers are mandrel bent, tig welded, and feature natural stainless steel construction. All of our LS swap longtube headers have been dyno proven. We stand behind our LS swap longtube headers in saying you will not find a better fitting, quality built, budget header for your vehicle.
Features include:
- 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
- V8 Engines Only
- 4.8L, 5.3L, 6.0L, 6.2L, LS1, LS2, LS3, LS6, LSA Engines
- CNC Machined Flanges
- Natural 304 Stainless Steel
- *Includes MLS Gaskets and Zinc Bolts*
Vehicles:
- 1960-1987 C10 Trucks
- (1960-1966 C10 Trucks require slider engine mounts to clear the front crossmember)
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, Porterbuilt, and other front drop members with air ride and coil over suspension.
Note: "Due to older vehicle frame clearance headers are pulled in very tight, and require our spark plug wires".
Note: "For LS series engine swaps only" These do not work on standard SBC or BBC engines.
Note: If using a larger 4L80E or older Turbo 350/400 transmission the bellhousing ears may need to be trimmed for proper clearance.
Note: "Does not fit 4wd"
(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.