Schoenfeld IMCA-UMP Modified Headers - 1.625 in Primary - 3 in Collector - Small Block Chevy (Pair) 1131 4067-B Maximum Dyno Gains Of 11 V202101 Size:Youth 12 1968 1968 GMC C25 AFC55000011862
Platform notes & fabric story
Description
Schoenfeld IMCA UMP Modified Headers 1.625 in Primary 3 in Collector Small Block Chevy (Pair) 1131 4067 B Maximum Dyno Gains Of 11 V202101 Size:Youth 12 1968 1968 GMC C25 AFC55000011862 Maximum Dyno Gains Of 11 Hp And 10 Lb At Advance Adapters Inc