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Probe Industries manufactures 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 Big Block V8
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.
Chevy Small Block V8
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.
Ford Big Block V8
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.
Ford Small Block V8
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.
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Chevy Small Block V8 Stud Girdle Set
Chevy Small Block V8 - Stud Girdle Set
   

Part Number: 11333
3/8" Studs
3/4" Thickness
6061 T6 Aluminum
Fits AFR 180/190/195, GM, Stock, World heads with standard spacing

Chevy Small Block V8 Stud Girdle Set
Chevy Small Block V8 - Stud Girdle Set
   

Part Number: 11334
7/16" Studs
3/4" Thickness
6061 T6 Aluminum
Fits AFR 180/190/195, GM, Stock, World heads with standard spacing

Chevy Small Block V8 Stud Girdle Set
Chevy Small Block V8 - Stud Girdle Set
   

Part Number: 11335
7/16" Studs
3/4" Thickness
6061 T6 Aluminum
Fits AFR 210, Canfield heads with 60-40 split

Chevy Small Block V8 Stud Girdle Set
Chevy Small Block V8 - Stud Girdle Set
   

Part Number: 11336
7/16" Studs
3/4" Thickness
6061 T6 Aluminum
Fits AFR 220, Dart 220 heads with 60-40 split

Chevy Big Block V8 Stud Girdle Set
Chevy Big Block V8 - Stud Girdle Set
   

Part Number: 11337
7/16" Studs
3/4" Thickness
6061 T6 Aluminum
Fits Iron Eagle, Merlin, Stock heads

Ford Small Block V8 Stud Girdle Set
Ford Small Block V8 - Stud Girdle Set
   

Part Number: 11338
3/8" Studs
3/4" Thickness
6061 T6 Aluminum
Fits AFR, Dart, Edelbrock, Stock heads

Ford Small Block V8 Stud Girdle Set
Ford Small Block V8 - Stud Girdle Set
   

Part Number: 11339
7/16" Studs
3/4" Thickness
6061 T6 Aluminum
Fits AFR, Dart, Edelbrock, Stock heads all with standard spacing

Ford Small Block V8 Stud Girdle Set
Ford Small Block V8 - Stud Girdle Set
   

Part Number: 11340
3/8" Studs
3/4" Thickness
6061 T6 Aluminum
Fits SVO N-351, J-302, K-302, GT40P heads

Ford Small Block V8 Stud Girdle Set
Ford Small Block V8 - Stud Girdle Set
   

Part Number: 11342
3/8" Studs
3/4" Thickness
6061 T6 Aluminum
Fits TFS, Street Heat, Canfield, Holley, Brodix heads

Ford Small Block V8 Stud Girdle Set
Ford Small Block V8 - Stud Girdle Set
   

Part Number: 11343
7/16" Studs
3/4" Thickness
6061 T6 Aluminum
Fits TFS, Street Heat, Canfield, Holley, Brodix heads