Compatible with 67-74 Camaro, 68-74 Nova, 70-74 Monte Carlo, 64-74 Chevelle/El Camino/Sprint/Cabellero, 71-74 Full Size: 283-400 SB Chevy Tube Size 1.625 in. O.D., Collector Size 3 in. O.D., Port Shape: Same As Port; Hooker Competition headers offer the best value in the high performance header market. Designed for the value-conscious buyer who is running either a stock or mildly-modified engine, Hooker Competition headers offer premium features at a very competitive price. Made of durable 16 gauge mild steel tubing, the Hooker Competition header design utilizes a long transition collector to reduce back pressure and increase exhaust flow. A perfect sealing surface is assured with the 5/16 in. machined flanges, with welded O-ring seals. Experience has proven that this flange size is ideal to maintain header integrity and be pliable enough to seal each exhaust port. Tubing is mandrel-bent to maintain metal strength and provide consistent tube diameter at radii to maximize performance. Hooker Competition headers have a standard finish that features a heat-cured, high-heat-resistant paint. Optionally, the famous Hooker Ceramic Thermal Barrier Coating is available.;
Tuned-length primary tubes for performance Mandrel-bent tubing for smooth exhaust flow Light weight & sturdy 16 gauge tubing Long transition collector for decreased back pressure 5/16†machined flanges for a perfect seal Industry’s best welds for durability designed for easy, trouble-free fit All necessary hardware included for a complete installation Works with power steering, power brakes and air conditioning
