EZ Stud Out® GMMK4 Master Kit. Whether you are working on modern EcoTec3 platforms or classic LS swaps, this kit provides a professional, "no-drill, no-tap" solution for broken manifold studs. By utilizing engine-specific templates and patented nut technology, technicians can eliminate guesswork and remove broken studs in minutes, preventing costly damage to expensive cylinder head components.

The GMMK4 Kit Includes:

• 4 Precision Templates: Specifically engineered for GM 4.8/5.3/6.0/6.2 LS engines and GM 5.3/6.2 EcoTec3 platforms, including coverage for Big Block and Small Block patterns.
  

• 25 EZ Stud Out Nuts (M8): Features the core patented reversible design for the closest possible weld on flush or recessed studs.

• Heat Resistant Holding Paste: Protects the cylinder head and surrounding sensitive components during the welding process
  

• Precision Carbide Burr: For clean surface preparation and deep EZ Stud Out weld penetration.

  Rugged Storage Case: Professional-grade protection for your most versatile tool.

Key Features:

• Engineered Specifically for GM Fleets: This kit consolidates essential templates into one streamlined set, ensuring you are equipped for specific bolt patterns found on everything from Silverados and Sierras to custom LS swaps.
  

• Precision-Guided Removal: Uses precision-machined templates to perfectly align the EZ Stud Out Nut over the broken stud, protecting the cylinder head and ensuring a secure weld every time without the need for drilling or tapping.

• Patented Reversible Nut Design: Includes M8 nuts with a unique reversible geometry that allows for maximum penetration and a solid weld foundation regardless of the depth of the break