This is a rear brake hose tee for GM vehicles. The hose port is 7/16”-20 and the two line ports are 3/8”-24. This tee has a hose clip groove. .
1964-70 GM Olds Rear Flex Brake Hose Brass Tee Block with Slot Axle End Housing
1970-76 Mopar A B E Body Rear Brake Flex Hose Brass Tee Block Cuda Challenger
Rear Flex Brake Line Hose Brass Tee Block With W Slot Axle End Housing 1964-70
1964-70 Rear Flex Brake Line Hose Brass Tee Block With W Slot Axle End Housing
1951-55 1956 57 58 CHEVY REAR BRAKE LINE BRASS TEE JUNCTION BLOCK ** USA MADE **