Beyea IMCA-UMP Modified Headers - 1.625 to 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy IDM-604-S1-D2 - Pair RA250 By knowing the main characteristics

By knowing the main characteristics that American racer demands

NOTE: Image shows flag design plate and is for reference only

Stackable shims index spark plugs at 30° intervals up to 360°

Taking advantage of AutoMeter's advanced circuitry

Fits: 1970-1981 Camaros

Beyea IMCA-UMP Modified Headers - 1.625 to 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy IDM-604-S1-D2 - Pair RA250 By knowing the main characteristicsProduct 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