Hedman Long-Tube Headers – Silver Ceramic Coated – 58156

Fits: 1968–76 Oldsmobile 442, Cutlass, and F85 w/ Olds 400–455 V8
1.75” Primaries | 3” Collector | HTC Silver Ceramic Finish | Includes Gaskets & Hardware

Unleash the true performance of your classic Oldsmobile with Hedman’s Long-Tube Headers. Engineered specifically for 1968–1976 Olds 442, Cutlass, and F85 models running the Oldsmobile 400, 425, or 455 cubic-inch V8s. These headers are part of Hedman’s street series. They deliver improved exhaust flow, throttle response, and horsepower for serious street performance or track applications.

Crafted from 18-gauge mild steel, the headers feature 1.75” primaries and a 3” ball-and-socket collector, ensuring leak-free connections without needing gaskets or collector flanges. The HTC polished silver ceramic-metallic coating not only looks great under the hood but also reduces underhood temps and resists corrosion for long-term durability.

Each set includes gaskets, hardware, reducers, and clamps—everything needed for a smooth installation. These are ideal for modified vehicles and dedicated race builds.

Note: These headers may not be legal for street use on emissions-controlled vehicles. Always verify local emissions compliance.

Key Features:

• Application: 1968–76 Olds 442, Cutlass, F85 with Oldsmobile 400–455 engines
• Tube Diameter: 1.75″ long-tube primaries for improved exhaust scavenging
• Collector Size: 3″ ball/socket for leak-resistant seal
• Material: 18-gauge mild steel with HTC polished silver ceramic finish
• Includes: Gaskets, bolts, clamps (x4), reducers (2.5″ outlet)
• Flange Thickness: 5/16″ (0.3125″) for solid sealing
• Finish Benefits: High-temp ceramic reduces heat and enhances longevity
• Legal Use: Intended for off-road or pre-emissions vehicles

These Hedman long-tube headers are a must-have for Olds big-block owners seeking improved performance and a show-quality finish under the hood.