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Unleash Your 604 Crate Engine

The Beyea Headers 604 Crate Modified Headers are the industry standard for dirt track racers running the popular GM 604 crate engine. Designed specifically for IMCA and UMP modified chassis, these headers are tuned to broaden the torque curve and improve top-end horsepower, giving you the competitive edge on the track.

Key Features and Benefits

• Stepped Primary Design: Features a 1.625-inch to 1.75-inch stepped primary tube configuration to optimize exhaust scavenging.
• High-Flow Collectors: Equipped with 3-inch collectors to ensure efficient exhaust evacuation at high RPMs.
• Durable Construction: Built from high-quality steel with a black painted finish for long-lasting durability in harsh dirt track environments.
• Complete Kit: Includes necessary gaskets and hardware for a hassle-free installation.

These headers are specifically engineered for the Small Block Chevy platform, ensuring a precise fit that clears chassis components while maximizing flow. The stepped design is critical for maintaining exhaust velocity, which translates to better throttle response out of the corners. If you are looking to squeeze every bit of power out of your 604 crate engine, these Beyea headers are the proven solution. Experience the performance difference of professional-grade exhaust systems available at GGCRACING.