Hedman 45817 LS Swap Long Tube Headers 1973-1977 GM A-Body | 1-7/8" Primary, 3" Collector, Stainless (Pair)

Hedman 45817 LS Swap Long Tube Headers 1973-1977 GM A-Body | 1-7/8" Primary, 3" Collector, Stainless (Pair)Upgrade your LS swap with a set of Hedman 45817 Long Tube Headers, designed specifically for 1973 1977 GM A Body vehicles. Built from premium T304 stainless steel, these headers deliver exceptional durability, fitment, and performance for serious street and race applications. With decades of experience building headers for GM A Body platforms, Hedman engineered these LS swap headers to provide optimal clearance, proper fit, and maximum exhaust flow.

Upgrade your LS swap with a set of Hedman 45817 Long Tube Headers, designed specifically for 1973-1977 GM A-Body vehicles. Built from premium T304 stainless steel, these headers deliver exceptional durability, fitment, and performance for serious street and race applications.

With decades of experience building headers for GM A-Body platforms, Hedman engineered these LS swap headers to provide optimal clearance, proper fit, and maximum exhaust flow. Featuring 1-7/8" CNC mandrel-bent primary tubes and 3" high-flow collectors, these headers are built to support high-horsepower LS builds.

Key Features

• Designed for LS engine swaps in 1973-1977 GM A-Body vehicles
• 1-7/8" primary tubes for improved exhaust flow and horsepower
• 3" race collectors for maximum performance
• Constructed from T304 stainless steel for durability and corrosion resistance
• CNC mandrel-bent tubing ensures smooth, unrestricted flow
• 3/8" thick flanges resist warping and ensure a tight seal
• Hand-welded for consistent quality and fitment
• Includes gaskets and installation hardware

Specifications

Fitment

1973-1977 GM A-Body Vehicles (LS Swap Applications):

• Chevrolet Chevelle, El Camino, Laguna, Monte Carlo
• Buick Regal, Century
• Oldsmobile Cutlass, Cutlass Supreme
• Pontiac LeMans, Grand Prix
• GMC Sprint

Compatible with GM LS-based engines (4.8L – 7.0L), including LS1, LS2, LS3, LS6, and similar Gen III/IV platforms.

Performance Benefits

These long tube headers are designed to maximize exhaust scavenging and airflow, improving horsepower, torque, and overall engine efficiency. Ideal for high-performance street builds, drag racing, and LS swap projects where power and fitment matter.

Important Notes

• Designed specifically for LS swap applications
• Professional installation recommended
• No catalytic converters or oxygen sensor bungs included

Why Buy From Lee Motorsports?

At Lee Motorsports, we specialize in performance parts for real builds. Whether you're putting together a street car or a track-ready machine, we supply components that deliver results where it counts.