3 1 5/8 Large heavy-duty primaries are mandrel bent for optimal flow. 4 2 1/2" Collectors (2 1/2-2" Reduce) create perfect scavenging of your exhaust.
5 Hugger header style headers that will help you to avoid many clearance problems. 6 Designed for straight plug cylinder heads. 7 Package includes: As shown in our pictures.
This Item Doesn't Come With Installation Guides. We Highly Recommend Professional Installation. Polished Hugger Headers Straight Plug 1 5/8 Fit 1955-UP SBC Chevy 265-400.