Beyea Custom Headers HG604 Exhaust Header Gasket Set for GM 604 Crate Fast Burn Heads

The Beyea Custom Headers HG604 exhaust header gasket set is engineered specifically for GM CT400 604 crate engines equipped with Fast Burn aluminum cylinder heads. These premium graphite gaskets feature a unique D-port design that matches the distinctive port shape of the 604 crate engine's Fast Burn heads, ensuring optimal sealing and performance in demanding circle track racing conditions.

Key Features:

• Designed specifically for GM 604 crate engine Fast Burn aluminum cylinder heads
• High-quality graphite construction for superior heat resistance and durability
• D-port configuration matches Fast Burn head exhaust port geometry (1.550" x 1.670")
• Prevents exhaust leaks in high-performance racing applications
• Trusted by circle track Modified and Late Model race teams nationwide
• Sold as a pair (includes both left and right side gaskets)

Beyea Custom Headers has extensive experience in circle track exhaust systems and understands the critical importance of proper gasket sealing on sealed crate engines. These gaskets are rigorously tested to ensure reliable performance race after race. Compatible with IMCA Late Model, IMCA Modified, Dirt Late Model, and other 604 crate engine racing classes.