Schoenfeld IMCA-UMP Modified Headers - 1.625 in Primary - 3 in Collector - Small Block Chevy (Pair) 11619H RGM.SLM.CLOSED 4000 / 7800 RPM

4000 / 7800 RPM

045 in Bore

25" side mounting holes spaced 1

Idle and bypass pressure are checked to guarantee workmanship before every oil pump leaves the factory

Schoenfeld IMCA-UMP Modified Headers - 1.625 in Primary - 3 in Collector - Small Block Chevy (Pair) 11619H RGM.SLM.CLOSED 4000 / 7800 RPMSchoenfeld IMCA UMP Modified Headers 1. 625 in Primary 3 in Collector Small Block Chevy (Pair) Product Description: Headers IMCA UMP Modified 1. 625 in Primary 3 in Collector Gaskets Hardware Included Steel Black Paint 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