Schoenfeld Headers - SBC Modified Header 1-3/ 4in - 1-7/8in Ellis 5 in Top - 3

5 in Top - 3 in Flange - 7 in Tall - Reusable Cotton - Blue - Universal - Each

031 in ID - Tube Type - Aluminum - Natural - Holley Carburetors - Pair

Rocker Arm Nut - 3/8-24 in Thread - Steel - Black Oxide - Stud Girdle - Chevy V8 - Each

75 in Primary - 3 in Collector - Gaskets / Hardware / Reducers Included - Steel - Silver Ceramic - Pontiac V8 GTO 1968-72 - Pair

Earl's makes this easier with their line adapters

Schoenfeld Headers - SBC Modified Header 1-3/ 4in - 1-7/8in Ellis 5 in Top - 3Headers Ellis Modified Full 1. 75 to 1. 875 in Primary 3. 5 in Collector Gaskets Hardware Included Steel Black Paint Small Block Chevy Pair