truck - radiator tanks and parts - Solder on Tank Sets - gmc

Top Tank :
This tank has a 1.87" diameter hose connection
Bottom Tank :
This tank has a 1.87" diameter hose connection
1/4" NPT flange for a drain cock
Two holes @ 11.50" centers for an oil cooler
1/2" diameter connection at the end of the tank for an expansion tube
3/4" diameter bypass hose coming out of the fan side of the tank
Note: this tank is similar, but not identical to brass kit #GM 9805.