Header Flange Kit - SBC 5/16 Thick

The Header Flange Kit - SBC 5/16 Thick from Patriot Exhaust is an essential component for anyone building or upgrading a small-block Chevrolet exhaust system. This kit provides precision-machined flanges that create a leak-free seal between custom headers and the engine block, ensuring optimal performance and efficiency. Whether you're restoring a classic muscle car or tuning a street rod, this kit is designed to meet the needs of serious engine builders.

Manufactured with a thickness of 5/16 inches, this header flange kit offers superior durability compared to thinner alternatives, resisting warping and cracking under high-temperature conditions. The design ensures precise port alignment and surface finish quality, which can reduce installation time and eliminate the need for costly machining or rework. This thickness supports both naturally aspirated and supercharged applications, making it a versatile choice.

This header flange kit is specifically designed for small-block Chevrolet engines and works seamlessly with both cast-iron and tubular header designs across generations. Proper header flange fitment is crucial for maximizing horsepower and maintaining engine efficiency. Installation requires basic mechanical skills, making it accessible for those with some experience in automotive work.