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 CarloTube Size: 1-3/4”
Installation Notes: Other Header Styles and Tube Sizes & Lengths Engine Swap Mount, Crossmember and Hardware Kits
•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.
•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)
•Passenger side top mount A/C is required. (click here to view kits)
&bull Non-overdrive frame requires modification.
1-3/4” Long Tube Swap Headers
1-3/4” X 1-7/8” Stepped Long Tube Swap Headers
1-7/8” Long Tube Swap Headers
1-7/8” X 2” Stepped Long Tube Swap Headers
2” Long Tube Swap Headers
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
Other Header Styles and Tube Sizes & Lengths
Engine Swap Mount, Crossmember and Hardware Kits