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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.
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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
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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 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
This product may not be eligible for select promotional offers
Stud Girdles, Clamp-on, Solid Bar Design, Aluminum, Gold Anodized, 7/16-20 in., Chevy, Small Block, Pair
Part Number: CCA-4022
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
This product may not be eligible for select promotional offers
Stud Girdles, Clamp-on, Solid Bar Design, Aluminum, Gold Anodized, 3/8-2 in., Chevy, Small Block, Pair
Part Number: CCA-4027
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
This product may not be eligible for select promotional offers
Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Natural, Ford, Stock Heads, Kit
Part Number: PQX-1546001
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Natural, Ford, Stock Heads, Kit
Part Number: PQX-1530200
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Natural, Chevrolet, Stock Heads, Kit
Part Number: PQX-1535003
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Natural, Pontiac, Edelbrock Heads, Kit
Part Number: PQX-1545501
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Blue Anodized, Chevrolet, Various Heads, Kit
Part Number: PQX-1535006
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Natural, Ford, Various Heads, Kit
Part Number: PQX-1535100
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Blue Anodized, Ford, Stock Heads, Kit
Part Number: PQX-1530201
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Blue Anodized, Ford, Ford Motorsports Heads, Kit
Part Number: PQX-1530202
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Natural, Chevrolet, Stock Heads, Kit
Part Number: PQX-1535002
Not Yet Reviewed
Estimated Ship Date: Jan 30, 2026 if ordered today
Estimated Ship Date: Jan 30, 2026 if ordered today
Stud Girdle Chevy 265-400 Brownfield Head Solid Bar Design 7/16" Stud
Part Number: CCA-4011
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
This product may not be eligible for select promotional offers
Bars, Stud Girdle, BB Chev
Part Number: HRS-90120-X
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Natural, Pontiac, Stock Heads, Kit
Part Number: PQX-1545500
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Natural, Ford, Trick Flow Heads, Kit
Part Number: PQX-1546000
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Stud Girdle Chevy 265-400 Brodix Pontiac Solid Bar 40/60 Stud Spacing
Part Number: CCA-4012
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
This product may not be eligible for select promotional offers
Stud Girdle Chevy 265-400 Alum. Bowtie Head Solid Bar Design 7/16"
Part Number: CCA-4010
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
This product may not be eligible for select promotional offers
Bars, Stud Girdle
Part Number: HRS-9010X
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Bars, Stud Girdle, Ford 289-302/351W
Part Number: HRS-9020X
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Rocker Arm Stud Girdle, Aluminum, 3/8 in.-24 Thread, Chevy, Small Block, Kit
Part Number: SUM-141001
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
Stud Girdles, Clamp-on, Aluminum, Gold Anodized, for Use On Dart Cylinder Heads Only, Chevy, Small Block, Kit
Part Number: DRT-64110003
Estimated Ship Date: Today
Estimated Ship Date: Today
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