They are made of aluminum and are with a satin finish.
Dual Carb 4150 6-71 8-71 Blower Adapter Plate Polished
Speedmaster Dual Carb 4150 Blower Adapter Plate For GM 6-71 10-71 Superchargers
Blower Top Plate Dual Carb BDS GMC 671 871 BBC NHRA IHRA IMCA Mud truck Tractor
Mooneyham Blowers 671 dual carb adapter Holley or Edlebrock complete kit Polishe
THE BLOWER SHOP # 5510 4150 DUAL CARB SUPERCHARGER SCOOP W HARDWARE BEST PRICE
