·         EZ STUD OUT GM MASTER KIT allows you to quickly replace broken studs with no drilling or tapping. ·   Simply install our matching template to your cylinder head, weld a nut to the broken stud and unscrew. ·    Kit includes GM 4.8/5.3/6.0/6.2 LS, GM BIG BLOCK and GM SMALL BLOCK templates, 25 thin nuts, holding grease and a carbide burr all in a rugged and durable plastic case.