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 Firesuit Impala and Biscayne models

Impala and Biscayne models

13/16-16 in Filter Thread

Replaceable Padding is easy to clean and/or replace for continued comfort

It is composed of an inner and outer layer of wire mesh for durability and reliable support of filtration media

Injector Driver

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 Firesuit Impala and Biscayne modelsProduct 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