Speed Engineering A & G Body LS Swap Longtube Headers 1 3/4" LS1, LS2, LS3, LS6 for Sale

Price: $313.99

A & G Body LS Longtube Headers 1 3/4" (Conversion Swap) LS1, LS2, LS3, LS6

Speed Engineering headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our headers are mandrel bent, tig welded, and feature polished stainless steel construction. All of our headers have been dyno proven. We stand behind our headers in saying you will not find a better fitting, quality built, budget header for your vehicle.

Features include:
  • Mandrel Bent Tubing
  • Full 1 3/4" Primaries
  • 3" Collector
  • Gains over 22+ rwhp
  • Merge Spikes
  • 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: Installed pictures are of our 1 7/8" headers with 1" offset back motor mounts.

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: Some modifications might be required on G body applications, depending on engine location.

Vehicle Applications:

  • 1964 - 1977 Chevrolet Chevelle
  • 1964 - 1988 Chevrolet El Camino
  • 1970 - 1988 Chevrolet Monte Carlo
  • 1964 - 1988 Pontiac Lemans
  • 1964 - 1977 Pontiac GTO
  • 1977 - 1988 Pontiac Grand Prix
  • 1964 - 1977 Oldsmobile Cutlass
  • 1964 - 1972 Buick Skylark
  • 1978 - 1988 Buick Grand National
  • 1978 - 1988 Chevrolet Malibu


Thereis a 20% freight recovery fee that applies on all returned items. All items mustbe in new condition and returned within 30 days.


Weoffer a 1-year manufacture warranty on all our brand name products. For allother manufacture products sold, warranties would be directed to that specificmanufacture.


-Speed Engineering is not liable for incorrect item purchases. The customer isresponsible for choosing his or her individual items accurately prior toordering.

-Speed Engineering is not liable for product picture presentation. Some picturesmay not be exact and are for representation purposes only.

-Vehicle categories are listed to help customers narrow down products. Allproducts listed are not for every make, model, and year for that specificcategory. Some products fall under universal fitment within those categories.

-Speed Engineering reserves the right to refuse business to anyone.

Products& Regulations:

Someproducts sold are for off-road use only. Every state has different smog laws.Please check with your state’s smog referee prior to ordering. SpeedEngineering holds no liability for products requiring smog within the State ofthe customer purchasing his or her products. Speed Engineering does not sellnon-emissions/non-smog compliant related products within the state ofCalifornia.

WARNING:It is illegal to install any aftermarket part that alters or modifies theoriginal design or performance of the motor vehicle pollution control systemunless the part is exempted or has an Executive Order issued by the CaliforniaAir Resources Board (also commonly referred to as the "EO" number).Installation of parts which are not CARB approved on a pollution-controlledvehicle in the State of California may result in the Department of MotorVehicles (DMV) revoking the vehicle registration and certificate of ownership(title), refusing the transfer of registration, and/or the vehicle failing smoginspection. Law enforcement may cite you for the use of an illegal aftermarketpart and seize your title and license plate.

WARNING:Products can expose you to chemicals such as [lead and lead compounds] which is[are] known to the State of California to cause cancer or birth defects orother reproductive harm. For more information, visit www.P65Warnings.ca.gov

Fora complete list of chemicals known to the State of California to cause cancer, birthdefects, or other reproductive harm, visit www.p65warnings.ca.gov/chemicals

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