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Probe Industries manufactured a variety of valvetrain stabilizers AKA: " STUD GIRDLES " that are the finest in the industry. Each is machined with the same exacting standards that lead Probe to be among the first in the industry to utilize CNC equipment to manufacture these components. Probe Rocker Stud Girdles are manufactured of quality 6061 T-6 aluminum, and are CNC machined to ensure accuracy and a high quality machine finish. They feature close tolerance rolled threads, and are tumble deburred. All hardware is finished for corrosion resistance. A stud girdle set includes both girdle bar assemblies and 16 high strength steel adjuster nuts.

Select from the Model Series below to explore the many choices available.
Chevy Small Block
Available for AFR, Bowtie, Brodix, DART Iron Eagle and World Cylinder Heads, Probe Industries Chevy Small Block V8 Stud Girdles are machined with the same exacting standards that lead Probe to be among the first in the industry to utilize CNC equipment to manufacture these components. Probe Rocker Stud Girdles are manufactured of quality 6061 T-6 aluminum, and are CNC machined to ensure accuracy and a high quality machine finish. They feature close tolerance rolled threads, and are tumble deburred. All hardware is finished for corrosion resistance.

Note: A stud girdle set includes both girdle bar assemblies and 16 high strength steel adjuster nuts.
Chevy Big Block
Available for Iron Eagle, Merlin and Stock Cylinder Heads, Probe Industries Chevy Big Block V8 Stud Girdles are machined with the same exacting standards that lead Probe to be among the first in the industry to utilize CNC equipment to manufacture these components. Probe Rocker Stud Girdles are manufactured of quality 6061 T-6 aluminum, and are CNC machined to ensure accuracy and a high quality machine finish. They feature close tolerance rolled threads, and are tumble deburred. All hardware is finished for corrosion resistance.

Note: A stud girdle set includes both girdle bar assemblies and 16 high strength steel adjuster nuts.
Ford Small Block
Available for AFR, Blue Thunder, Brodix, Canfield, DART, Edelbrock, Holley, TFS, Twisted Wedge, SVO N-351, J-302, K-302, GT40P and Street Heat Cylinder Heads, Probe Industries Ford Small Block V8 Stud Girdles are machined with the same exacting standards that lead Probe to be among the first in the industry to utilize CNC equipment to manufacture these components. Probe Rocker Stud Girdles are manufactured of quality 6061 T-6 aluminum, and are CNC machined to ensure accuracy and a high quality machine finish. They feature close tolerance rolled threads, and are tumble deburred. All hardware is finished for corrosion resistance.

Note: A stud girdle set includes both girdle bar assemblies and 16 high strength steel adjuster nuts.
Ford Big Block
Available for All Iron, Blue Thunder and Cobra Jet Cylinder Heads, Probe Industries Ford Big Block V8 Stud Girdles are machined with the same exacting standards that lead Probe to be among the first in the industry to utilize CNC equipment to manufacture these components. Probe Rocker Stud Girdles are manufactured of quality 6061 T-6 aluminum, and are CNC machined to ensure accuracy and a high quality machine finish. They feature close tolerance rolled threads, and are tumble deburred. All hardware is finished for corrosion resistance.

Note: A stud girdle set includes both girdle bar assemblies and 16 high strength steel adjuster nuts.