Click on image to zoom

HD45803 1973-77 Gm A Body 1-3/4" X 1-7/8" Stepped Long Tube Ls Engine Swap Headers

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

Pricing: $1,026.00


Hedman Husler Muscle Rod LS Engine Swap Headers are designed for use with Hedman LS Conversion mounting and hardware packages list below.

You can now install the latest Chevrolet Performance crate engines in your ride and enjoy the best of GM's horsepower, drivability and fuel economy. These headers can also be used when installing OE and other custom built LS 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, LS1, LS2, LS3, LS6, LS7, etc. engines

Fits 1973-77 Chevelle, Laguna, Lemans, Grand Am, Can-Am, Cutlass, Monte Carlo

Tube Size: 1-3/4” X 1-7/8"”
Design: Stepped Long Tube
Coating: New Black Maxx 1300 degree, Flat Black Finish
Collector: 3”Slip-On Style with O2 sensor bungs

Installation Notes:
•For use with T56 manual trans and 4L60E, 4L65E, 4L80E auto transmission.
•When using 4L80E auto trans, the bell housing tabs must be trimmed for header clearance.
•May require removal of starter, valve cover and spark plugs for installation.
•For use with Cadillac CTS-V oil pan.
•NO transmission tunnel modifications are required.
•Clears factory A/C box, power steering box and power brake system. Passenger side top mount A/C is required. (click here to view kits)
•Passenger side top mount A/C is required. (click here to view kits)
&bull Non-overdrive frame requires modification.

Engine Swap Mount, Crossmember and Hardware Kits
73-77 GM A Body Coupe Kit for use with T56 manual trans
73-77 GM A Body Coupe Kit for use with 4L60E, 4L65E auto trans


  • 45803
  • 45803
  • 732611651806
  • Hedman Hedders
  • New

Shipping Information

  • Item Requires Shipping
  • 70.0 lbs.
  • W22.0000” x H11.0000” x L35.0000”

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.

Trusted Specialists GM engine & parts specialists
Located in the USA Owned, operated, & employed
Need Assistance? Call us at 888-748-4655
Mon-Thu 8am-6pm EST
Fri 8am-5:30pm EST
Have a Question Email us and we'll get back to you within 24 hours