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 EARSEAL-GEL-XL 3/8" thick T6 Billet aluminum

3/8" thick T6 Billet aluminum for the ultimate in accuracy

MSD offers three types of vibration mounts

or output you can throw at them

2000-2008 Chevrolet Suburban 1500

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 EARSEAL-GEL-XL 3/8" thick T6 Billet aluminumProduct 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