Description
Upgrade your engine’s exhaust system with the JBA Chrysler 5.7-6.4L Gen III Hemi D-Port Header Gasket Pair, Part 063-1965. Crafted from specially formulated, extra-thick gasket material, these premium header flange gaskets are designed to provide a precise port match with JBA headers, ensuring optimal sealing and performance. Their robust construction allows them to handle exhaust pressures up to 3700 psig, making them suitable for high-performance applications. Additionally, these gaskets are rated to withstand temperatures up to 1100°F, offering durability in demanding conditions. Proper sealing is critical for maximizing horsepower and torque while preventing exhaust leaks that could compromise engine efficiency or emissions compliance. By choosing these gaskets, you ensure a reliable seal that maintains performance and prolongs the life of your header assembly. Designed specifically for Chrysler 5.7 and 6.4L Gen III Hemi engines, these gaskets fit seamlessly with JBA headers, providing a perfect fit and easy installation.
Whether you’re building a performance engine or maintaining an existing setup, the JBA header gaskets are an essential component for ensuring leak-free operation and optimal exhaust flow. Their high-pressure and high-temperature ratings make them suitable for serious enthusiasts and professional mechanics alike. Trust JBA’s quality engineering to deliver a gasket that meets the rigorous demands of modern performance vehicles, providing peace of mind and long-lasting performance in your automotive build or repair.
Features:
- Premium header flange gaskets made from specially formulated, extra-thick gasket material
- Designed for an exact port match with JBA headers
- Handles exhaust pressures up to 3700 psig for high-performance applications
- Rated to withstand temperatures up to 1100°F for durability in demanding conditions
- Engineered specifically for Chrysler 5.7 and 6.4L Gen III Hemi engines





















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