BEYEA Custom Headers IDM-604-S1G IMCA-UMP Dirt Modified Headers for Small Block Chevy

BEYEA Custom Headers IDM-604-S1G headers are designed for IMCA-UMP Dirt Modified applications using a Small Block Chevy engine. This full-length header pair is built for racing applications and features 1.625-inch to 1.75-inch stepped primary tubes with a 2.75-inch collector.

Constructed from steel and finished with black paint, these headers provide a purpose-built exhaust solution for the listed Dirt Modified configuration. The stepped primary design and full-length layout are part of the header specification, while the 2.75-inch collector supports the stated application requirements.

Gaskets are included with the pair, helping provide the key sealing components supplied with the headers. The BEYEA Custom Headers IDM-604-S1G is identified for the SBC Modified Header 1-5/8-inch 604 Crate application and is not designated as air restricted or truck freight only in the product data.

Features:

• Brand: BEYEA Custom Headers
• Part Number: IDM-604-S1G
• Application: IMCA-UMP Dirt Modified
• Engine: Small Block Chevy
• Header Style: Full-length headers
• Primary Tubes: 1.625-inch to 1.75-inch stepped primaries
• Collector Size: 2.75 inches
• Material: Steel
• Finish: Black paint
• Included: Gaskets
• Configuration: Pair