Beyea IMCA-UMP Modified Headers - 1.625 to 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy IDM-604-S1-C - Pair H88602CB3M 484 in Shaft

484 in Shaft

Keyed Columns

Cast High Rise Horn Button

6 AN Inlet / Outlet

Beyea IMCA-UMP Modified Headers - 1.625 to 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy IDM-604-S1-C - Pair H88602CB3M 484 in ShaftProduct Description: Headers IMCA UMP Modified 1. 625 to 1. 75 in Primary 3 in Collector Steel Black Paint Small Block Chevy Pair With more than 15 years in the header fabrication business, Beyea Custom Headers knows how to customize your power curve to create a broader range of power. Each Beyea Custom Headers has been tried and tested. Beyea Custom Headers are used by many of the top Modified and Late Model race teams and engine builders across the