1968-1972 A-Body LS Ceramic Coated Mid-Length Headers
When fitting an LS into a 1968 to 1972 A-Body chassis you need exhaust headers that align perfectly with factory mounts, and these ceramic coated mid length headers with 1 7/8 inch primaries deliver just that precision. Constructed from heavy gauge steel with thick three eighths inch flanges they resist warping under heat and maintain a leak proof seal for steady performance. The silver ceramic finish keeps radiant heat inside the pipes to protect wiring and intake components. By preserving exhaust energy and smoothing gas flow this design improves throttle response in everyday driving.
Precision Mandrel Bends Ensure Consistent Gas Flow
The tubing on these headers is shaped using mandrel bending techniques that preserve internal diameter through each curve. By avoiding sharp edges or pinched sections, exhaust pulses travel smoothly from the chamber of an LS engine into the collector, reducing turbulence that can rob low rpm torque. This uninterrupted flow pattern enhances scavenging, meaning spent gases are efficiently drawn out of each cylinder during the exhaust stroke. Drivers notice crisper throttle response and a broader midrange power band thanks to steady gas velocity. In practical terms, precision bends translate to more usable horsepower in everyday driving scenarios on an A-Body platform.
Optimized Mid length Tubes Sized at One and Seven Eighths Inch for Enhanced Torque
Each primary tube measures one and seven eighths inch in diameter, a choice that balances exhaust gas velocity with backpressure to suit street performance. The mid length design positions the collector closer to the engine block than a full length system, which helps maintain pulse energy in the 1,500 to 4,500 rpm range where most road use occurs. This configuration boosts low and midrange torque without compromising top-end power delivery. By preserving exhaust momentum through carefully calculated tube length, these headers deliver a noticeable improvement in off-idle response and roll-on acceleration. Builders swapping an LS into a 1968 to 1972 A-Body will appreciate the way this sizing yields stronger, more accessible power.
Ceramic Coating for Engine Bay Heat Control
The silver ceramic barrier applied to each tube serves as a radiant shield, reflecting heat back into the exhaust stream where it belongs. This thermal management keeps underhood temperatures lower, protecting sensitive components such as wiring harnesses, intake manifolds and auxiliary sensors from heat soak. Maintaining exhaust gas heat also helps sustain pulse energy, which supports consistent scavenging across varied driving conditions. The ceramic surface resists chipping or flaking even after repeated heating cycles, and its abrasion resistance simplifies cleaning of buildup. Overall, this treatment ensures sustained performance and durability in vintage chassis with modern LS powerplants.
Heavy Gauge Steel Flanges Deliver Leak Proof Seal
Constructed from robust steel plate, each flange is machined to a thickness of three eighths inch for a flat, stable mounting face. This rigidity prevents warping under extreme temperature swings, ensuring gasket seating remains uniform over thousands of heat cycles. Precision welding at the junction of flange and tube reinforces structural integrity, preventing cracks caused by engine vibration or road shock. The result is a reliable, leak free connection to the cylinder head that maintains exhaust containment and engine efficiency. For restorers installing an LS swap in a 1968-to-1972 A-Body, this solid flange design means fewer seal failures and consistent performance mile after mile.
Engineered for precise fit and reliable heat control in your LS swap project.