OER PB1091 Features:

Upgrade and keep your 6-lug bolt pattern on your 1960-70 GM 2wd truck model when converting your front drums to disc brakes. This front 12" brake rotor is designed to fit factory height, or drop type disc brake spindles. Features 6 x 5.5" bolt pattern, 7/16"-20 wheel studs, and 1.25" thick brake surface. Sold individually. Note: Will not work with factory drum brake style wheels. Note: Will not work with factory drum brake style wheels. Note: Use part# PB1090 for stock height front spindles. PB1090 PB1090 Use part# TD637025 for 2-1/2" droP spindles. TD637025 TD637025