**NOTE: These headers are not EPA certified and do not carry a CARB approval. They are intended for competition use only and are not eligible to ship to California under any circumstance.
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, including fines of up to $4,819 per day.
Speed Engineering headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Their headers are mandrel bent, tig welded, and feature natural stainless steel construction. Speed Engineering's headers have been dyno proven and they stand behind their headers in saying you will not find a better fitting, quality built, budget header for your vehicle.
Features include:
- Mandrel Bent Tubing
- Merge Spikes
- Full 1 7/8" Primaries
- 3" Collector
- Gains over 25+ rwhp
- V8 Engines Only
- 4.8L, 5.3L, 6.0L, 6.2L, LS1, LS2, LS3, LS6, LSA Engines
- CNC Machined Flanges
- Natural 304 Stainless Steel
Vehicle Applications:
- 1988-1998 Chevrolet C1500 Truck (2wd) 4.8L, 5.3L, 6.0L, 6.2L
- 1988-1998 GMC C1500 Truck (2wd) 4.8L, 5.3L, 6.0L, 6.2L
Note: For LS series engine swaps only. Due to older vehicle frame clearance headers are pulled in very tight, and may require aftermarket spark plug wires.
Note: For LS series engine swaps only. These do not bolt up the older SBC or BBC engines. Does NOT fit 4WD.
Note: If using a larger 4L80E or older Turbo 350/400 transmission the bellhousing ears may need to be trimmed for proper clearance. These headers are tucked in tight due to narrow older frame clearance.
Note: Would require adjustable motor mounts with 1" offset back.
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).
| Part Number |
25-1137 |
| Part Type |
Longtube Headers |
| Brand |
Speed Engineering |
| Vehicle |
1988-1998 C1500/OBS 2WD |
| Material |
Stainless Steel |
*Item ships directly from Speed Engineering and our price includes any associated shipping charges. Speed Engineering's exhaust and header kits are intended for off-road use only and are not eligible for shipping to California residents.
