SKU: HED68510
UPC: 732611685108
MPN: 68510
The 55-57 Chevy Big Block Tight Tub Headers from Hedman are designed for serious engine builders and hot rodders looking to maximize performance and clearance in classic Chevrolet big-block conversions. These headers are essential for retrofitting larger displacement engines into 1955–1957 Chevrolet platforms, which were not originally designed for the bulk of modern big-block powerplants.
The tight-tube header design effectively addresses the challenge of fitting oversized headers without interference with suspension components, frame rails, or steering linkage. Hedman's design features reduced-diameter primaries and a compact collector layout, ensuring optimal scavenging efficiency while maintaining structural integrity. The mandrel-bent construction guarantees consistent wall thickness, preventing collapse under high exhaust temperatures.
These headers allow big-block engines to be positioned lower and more centered in the chassis, enhancing weight distribution and handling balance. Ideal for street rods, show cars, or vintage race vehicles, they eliminate the need for costly custom fabrication typically required with full-size block hugger headers, making them a practical choice for enthusiasts.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.