Schoenfeld IMCA-UMP Modified Headers - 1.625 in Primary - 3 in Collector - Small Block Chevy (Pair) 1131 1000.188.0250 Also includes two 1/8 NPT

Also includes two 1/8 NPT

1500 lb Capacity

This hub will allow users of the Power Grid System Controller to connect other MSD modules to the system for added features

Select Between 12 Different RPM Limits

Schoenfeld IMCA-UMP Modified Headers - 1.625 in Primary - 3 in Collector - Small Block Chevy (Pair) 1131 1000.188.0250 Also includes two 1/8 NPTSchoenfeld 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