Schoenfeld - 1.875 to 2 in Primary - 3.5 in Collector - All Pro Heads - Small Block Chevy (Pair) H776427XL Lowers your 1964-1966 GM A-body

Lowers your 1964-1966 GM A-body 2-inch

Protection against shorted or open coils

MPD Hex King Pin Cap

8 Pre-Programmed Resistance Ranges

Schoenfeld - 1.875 to 2 in Primary - 3.5 in Collector - All Pro Heads - Small Block Chevy (Pair) H776427XL Lowers your 1964-1966 GM A-bodyProduct Description: Headers 1. 875 to 2 in Primary 3. 5 in Collector Gaskets Hardware Included Steel Black Paint All Pro Heads Small Block Chevy Pair Founded in 1974, Schoenfeld Headers is the largest circle track header manufacturer in the world. Schoenfeld Headers is the manufacturer of competition headers, mufflers and exhaust systems. Schoenfeld Headers listen to their customers, understanding your needs and giving you a quality product at a fair