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High-lift, aggressive camshafts and stiff valve springs can cause your rocker arm studs to flex, resulting in a loss of high-rpm power, and, eventually, engine damage and...
High-lift, aggressive camshafts and stiff valve springs can cause your rocker arm studs to flex, resulting in a loss of high-rpm power, and, eventually, engine damage and failure!
A rocker arm stud girdle (also called a valvetrain stabilizer) is a bar that clamps on over the polylocks of your stud-mount rocker arms, linking all the studs together. By distributing the load across all the studs, it adds strength and rigidity to the valvetrain.
Stud girdles might make valve adjustments more difficult, and you may also need taller valve covers. For more information, check out this article from our blog, and then contact us for even more...
High-lift, aggressive camshafts and stiff valve springs can cause your rocker arm studs to flex, resulting in a loss of high-rpm power, and, eventually, engine damage and failure!
A rocker arm stud girdle (also called a valvetrain stabilizer) is a bar that clamps on over the polylocks of your stud-mount rocker arms, linking all the studs together. By distributing the load across all the studs, it adds strength and rigidity to the valvetrain.
Stud girdles might make valve adjustments more difficult, and you may also need taller valve covers. For more information, check out this article from our blog, and then contact us for even more expert advice on your engine-building project.
Top Brands
Stabilizing your high-performance engine is an important job, so you should go with a name brand you trust, instead of some third-party reseller. Summit Racing Equipment sells rocker arm stud girdles from manufacturers like COMP Cams, Harland Sharp, Trick Flow Specialties, Lunati, Howards Cams, and more.
Showing In Stock Items. Show All 20 Items.
Rocker Arm Stud Girdle, Aluminum, Blue, 7/16 in.-20 Thread, Chevy, Big Block, Kit
Part Number: TFS-41400700
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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Rocker Arm Stud Girdle, Clamp-On, 7/16-20 in., Polylock, Aluminum, Black Anodized, Chevy, Big Block, Kit
Part Number: SUM-141003
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Aluminum, Natural, 7/16 in.-20 Thread, Chevy, 396-454, Kit
Part Number: BRO-BR1230
Estimated Ship Date: Today
Estimated Ship Date: Today
Stud Girdles, Clamp-on, Aluminum, Blue Anodized, Chevy, Big Block, AFR, Pair
Part Number: AFR-6202
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Aluminum, Gold Anodized, 7/16 in.-20 Thread, Chevy, Big Block, Kit
Part Number: DRT-64110001
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Natural, Chevrolet, Stock Heads, Kit
Part Number: PQX-1545400
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Aluminum, Blue, 7/16 in.-20 Thread, Chevy, Big Block, Kit
Part Number: MOR-67250
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Cylinder Head Stud Girdles; Cylinder Head Stud Girdle; For Use w/Victor 24 deg. Heads; w/Adjustable Nuts; Pair
Part Number: EDL-7796
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Cylinder Head Stud Girdles; Cylinder Head Stud Girdle; For Use w/Victor Jr. 24 deg. Heads
Part Number: EDL-7797
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Rocker Arm Stud Girdle, Aluminum, Purple, 7/16 in.-20 Thread, Chevy, Big Block, Dart, Brodix, AFR and RHS, Kit
Part Number: HRS-90121
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdles, Solid Bar Design, 7/16 in.-20 Thread, Standard Stud Spacing, 6061-T6 Aluminum, Red Anodized, Chevy, Brodix-2, Big Block, Kit
Part Number: CCA-4021
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Aluminum, Purple, 7/16 in.-20 Thread, Chevy, Big Block, Kit
Part Number: HRS-90120
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Aluminum, Orange, 7/16 in.-20 Thread, Chevy, Big Block, Bowtie, Dart, Merlin, Kit
Part Number: CSP-G1114
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdles, Maximum Effort, Clamp-On, 0.550 in. Minimum Rocker Slot Width, Aluminum, Purple Anodized, Chevrolet, Big Block Mark IV, Pair
Part Number: HRS-90121X
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Rocker Arm Stud Girdle, Replacement, Aluminum, Gold, Chevy, Big Block, RHS Heads, Each
Part Number: CCA-4035-B
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Aluminum, Gold, 7/16 in.-20 Thread, Chevy, Big Block, RHS Heads, Kit
Part Number: CCA-4035
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
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