Graphite Stock Ports Header Flange Gasket Kit with Steel Core (THY-9106-2) by Doug Thorley Headers®. Replace your worn gaskets with Doug's high quality graphite and steel gaskets. Much better sealing capabilities and longevity over lower quality alternatives.
Driven by a passion for performance and superior quality
Designed to maximize horsepower and torque of your vehicle
Made with meticulous attention to detail and unmatched craftsmanship
For over 50 years, Doug Thorley Headers has been an innovator in the automotive aftermarket. Driven by a passion for performance and superior quality, they are committed to developing 100% American-made products that will reliably deliver maximum horsepower and torque. Doug Thorley Headers® has been pushing the limits of automotive technology since they first invented the Tri-Y header in 1958, and they do it all on American soil.
Only authorized customers can leave a review on our website. We would love to know what you like or dislike about the product. Share your opinion on product quality, appearance, installation, and other characteristics.