Item # 4103093B 40
These are the running board support brackets that are welded to inner rocker panel. Sold in a set of six.The measurements are:
(2) at 4 inch length and 2 inch width
(2) at 3-1/4 inch length and 2 inch width
(2) at 2-9/16 inch length and 2 inch width
This part fits most 1940 Chevrolet Cars; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.