++++LISTING IS FOR ONE (1) BLOCK style Guide BRACKET!!! Here is a rare Guide B-31 Reverse Light BRACKET in BLOCK style. I believe started in 1949, but only were made a couple of years. +++ I have more Guide B-31s, B-L-C B-M4s, and Brackets, too! +++ MORE Guide BLOCK style brackets FOR SALE in other auctions! The item "NOS Guide B-31 BLOCK Backup BRACKET GM Accessory Chevrolet 37 39 40 41 42 46 48" is in sale since Monday, September 30, 2019. This item is in the category "eBay Motors\Parts & Accessories\Vintage Car & Truck Parts\Accessories". The seller is "*19rich54*" and ...