SPEED ENGINEERING LT SWAP HEADERS 1964-1981 GM CAR

**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.    Speed Engineering's headers have improved features over competitors. They utilize V-Band collector construction, merge spikes, port matched flanges, and improved header to block/chassis clearance. Features include: Mandrel Bent Tubing Full 1 5/8" Primaries 2 1/2" Collector V-Band Collector Construction Port Matched Flanges Gains over 18+ rwhp V8 Engines Only 5.3L, 6.2L, LT1, LT4 Engines (2014+) CNC Machined Flanges Natural 304 Stainless Steel   Note: For Gen 5 LT series engine swaps only. These do not work on standard SBC, BBC, or LS series engines. 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. Fits 6, 8, and 10 Speed Auto Transmissions. Vehicle Applications: 1964-1977 Chevrolet Chevelle 1967-1969 Chevrolet Camaro 1968-1974 Chevrolet Nova 1970-1981 Chevrolet Camaro 1970-1981 Pontiac Firebird 1975-1979 Chevrolet Nova   Part Number 25-1057 Part Type Shorty Headers Brand Speed Engineering Vehicle 1964-1981 GM Car 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.