The GMMK GM Master Kit is the most comprehensive solution for General Motors engine repairs, powered by the industry-leading EZ Stud Out system. Whether you are working on a modern Silverado, a classic muscle car, or a heavy-duty work truck, this kit provides the precision templates needed to remove broken manifold studs without the risk of drilling.

Utilizing the EZ Stud Out weld-and-turn method, you can perform professional extractions in minutes. This kit is a must-have for shops that see the full spectrum of GM powerplants, all organized in a rugged and durable plastic case for long-term shop use.

The Full GM Master Kit Includes:

• LS Series Template: Compatible with GM LS 4.8, 5.3, 6.0, and 6.2 engines.

• Small Block Template: Compatible with classic GM Small Block engines.

• Big Block Template: Compatible with heavy-duty GM Big Block engines.

• 25 EZ Stud Out Thin Nuts (TN25): Universal 8mm hole welding nuts for maximum torque and a permanent bond.

• Heat-Resistant Holding Paste: Keeps templates locked in perfect alignment during high-heat welding.

• Precision Carbide Burr: Engineered for the surface prep required for a successful EZ Stud Out extraction.

• Rugged Storage Case: Professional-grade protection for your investment.