Description
The JBA Ford 4.6L and 5.4L 3V SOHC D-Port Header Gasket Pair (Part Number 063-5929) offers a reliable sealing solution designed specifically for Ford V8 engines. Crafted from a specially formulated gasket material, these gaskets are extra thick to ensure durability and a proper fit between the header flange and exhaust system. They are engineered to provide an exact port match with JBA headers, which helps optimize exhaust flow and engine performance. These gaskets are capable of handling exhaust pressures up to 3700 psig and are rated to withstand temperatures up to 1100°F, making them suitable for high-performance applications and demanding driving conditions. The premium materials and precise construction help prevent leaks, reduce emissions, and improve overall engine efficiency, making them a valuable upgrade for enthusiasts seeking long-lasting, high-quality parts. Installation is straightforward, and these gaskets are designed to match JBA’s header specifications for a seamless fit, ensuring peace of mind during engine assembly or repair. Overall, the JBA header gasket pair is a critical component for maintaining optimal exhaust sealing and engine performance in Ford V8 applications, backed by JBA’s reputation for quality and precision engineering.
Features:
- Premium header flange gaskets are made extra thick from a specially formulated gasket material
- Designed for an exact port match with JBA headers
- Handles exhaust pressures up to 3700 psig
- Rated up to 1100°F





















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