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HD45603 1955-57 Chevy 1-3/4" Mid Length 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: $590.14


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 1955-57 Belair, Biscayne, Delray, 150, and 210

Tube Size: 1-3/4”
Design: Mid-Length
Coating: New Black Maxx 1300 degree, Flat Black Finish
Collector: 3”Ball and Socket with O2 sensor bungs

Installation Notes:
•Column shift linkage may require modifications for clearance.
•For use with T56 manual trans and 4L60E and 4L65E auto transmission.
•May require removal of starter, valve cover and spark plugs for installation.
•For use with F Body oil pan. (click here to view oil pan kit)
•May need to bend over and flatten trans tunnel seam lip to clear T56 transmissions
•NO transmission tunnel modifications are required.
•Passenger side top mount A/C is required. (click here to view kits)
•Mid-length headers have a weld-on ball and socket collector with O2 sensor bungs.
•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)

Engine Swap Mount, Crossmember and Hardware Kits
55-57 Chevy Kit for use with T56 manual trans
55-57 Chevy Kit for use with 4L60E, 4L65E auto trans


  • 45603
  • 45603
  • 732611651806
  • Hedman Hedders
  • New

Shipping Information

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

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