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Rocker Arm Nuts
Showing In Stock Items. Show All 33 Items.
AFR Rocker Arm Stud Girdle Replacement Nuts
AFR rocker arm stud girdle replacement nuts are designed to keep your rocker arms in place, while accepting an AFR double bar stud girdle. They are available in your choice of 3/8 in. or 7/16 in. thread sizes, select the rocker arm stud girdle replacement nuts best suited to fit your application.
( 8 )
$11.99
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$113.00
Crower Sure Lock Rocker Arm Nuts
Crower polylocks for roller-tip, needle-bearing rocker arms are made from high quality, heat treated chromoly steel. These Crower sure lock nuts allow for precise adjustments. They include nuts and Allen head set screws for positive jam nut operation.
( 40 )
$55.99
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$78.99
ARP Perma-Loc Rocker Arm Adjusters
Stop your rocker arms from loosening forever with these ARP Perma-Loc rocker arm adjusters. Made from heat-treated, premium-grade 8740 chromoly steel, these adjusters provide 190,000 psi tensile strength for the utmost in reliability. Other features include exclusive heads with special shouldered stops to hold the adjusting wrench, precision CNC-machined threads to ensure optimum seat pressure, flush-machined set screws for proper contact on the studs, and, best of all, they don't require any special tools for installation.
( 66 )
$69.99
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$93.99
COMP Cams Rocker Arm Adjusting Nuts
COMP Cams rocker arm adjusting nuts are designed for the ultimate in strength and locking force. They are precision-ground for minimum runout and are tapered for extra strength in the locking area. The special alloys in the polylocks ensure a quality and strength not found in any other competitive products.
( 147 )
$6.95
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$152.95
Pioneer Rocker Arm Adjusting Nuts
These Pioneer rocker arm adjusting nuts are designed for use with stamped steel rocker arms. These polylock nuts include Allen screws and a wrench.
( 4 )
$111.99
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$177.99
Summit Racing™ Replacement Rocker Arm Ball and Nut Kits
These Summit Racing™ replacement rocker arm ball and nut kits are made for stamped steel rockers. When rebuilding an engine, it is recommended to replace the rocker studs along with the rocker ball and nuts.
( 26 )
$8.99
Melling Rocker Arm Nuts
Don't cheap out with inferior rocker arm nuts--use Melling! These rocker arm nuts from Melling are made from quality-grade steel for strength and durability. They're designed to keep your rocker arms positively locked for precise and critical valvetrain adjustment. So, if you want to keep your valve settings correct for a good length of time, rely on Melling to deliver!
( 3 )
$1.99
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$2.99
Summit Racing™ Rocker Arm Stud Girdle Adjusting Nuts
Summit Racing™ rocker arm stud girdle adjusting nuts are designed to keep your rocker arms in place, while accepting Summit Racing™ brand or most other brand double bar stud girdles. They are available in your choice of 3/8 in. or 7/16 in. thread sizes. Select and order the rocker arm stud girdle replacement nuts that are designed to fit your application.
( 1 )
$36.99
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$38.99
Proform Rocker Arm Adjusting Nuts
Proform offers these polylocks for roller rocker arms. They're designed to fit most extruded aluminum rocker arms.
( 9 )
$27.99
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$28.99
On Sale
Mr. Gasket Gold Rocker Arm Nuts
The Mr. Gasket Gold rocker arm nuts are designed to lock the rocker arms for precise valvetrain work. They include the thread locking fasteners and an Allen key to assist with the installation.
( 9 )
$73.79
$49.17
Howards Cams Stud Girdle Adjustment Nuts
Howards Cams offers a great solution to convert positive stop-type rocker arm attachments (which don't allow for any sort of adjustment) into fully adjustable valvetrains with their stud girdle adjustment nuts. These precision-machined, high-strength steel alloy parts provide minimum runout with their heat-treated construction and durable coating. Get the most out of your ride with the Howards Cams components (offered in different thread diameters) that best suit your application requirements.
( 1 )
$5.99
Harland Sharp Polylocks Rocker Arm Nuts
Harland Sharp offers these polylocks in a choice of sizes to suit your needs.
( 5 )
$25.79
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$55.99
Engine Works Polylocks
Engine Works rocker arm and stud girdle polylocks are manufactured from high-grade alloy steel, finished in black oxide, and feature cold-formed 12-point reduced heads for quick R and R. The bottom of each one incorporates a .550 in. step that centers the polylock on the trunnion of the rocker arm, and they are available in both 7/16 in. and 3/8 in. sizes. The stud girdle polylocks have a .950 in. long shank. Choose the size you need.
( 2 )
$30.56
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$42.46
Isky Rocker Arm Adjusting Nuts
All Isky rocker arm adjusting nuts are designed for the ultimate in strength and locking force. The polylocks are precision-ground for minimum runout, and tapered for extra strength in the locking area. The special alloys in the polylocks ensure a quality and strength not found in any other competitive products.
( 1 )
$146.99
Trick Flow® Rocker Arm Adjusting Nuts
When installing your roller rocker arms, don't forget these rocker arm adjusting nuts from Trick Flow®. These polylocks are available in a variety of sizes to suit your needs.
( 6 )
$5.99
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$78.99
Scorpion Rocker Arm Nuts
Scorpion offers these polylock rocker arm nuts for use with your Scorpion rocker arms. They are offered in a choice of sizes and styles to suit your application.
( 3 )
$5.99
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$42.33
Dorman Rocker Arm Nuts
Dorman rocker arm nuts are suitable for a variety of applications. Highly resistant to rust and corrosion, all Dorman rocker arm nuts offer high-quality steel construction and direct replacement for a proper fit. They meet strict engineering quality standards to provide a long service life.
( 3 )
$18.99
Allstar Performance Rocker Arm Nuts
Allstar Performance rocker arm nuts are designed to keep your rocker arms in place. These adjusting nuts are designed for the ultimate in strength and locking force. They are available in different threads sizes to fit your application.
( 5 )
$72.99
Chevrolet Performance Rocker Arm Adjusting Nuts
These Chevrolet Performance rocker arm adjusting nuts are designed for use in Chevrolet Performance Parts rocker arm kits. These polylock-style nuts are made from high-quality materials to be durable and dependable.
( 1 )
$2.99
Howards Cams Rocker Arm Nuts
Howards Cams rocker arm nuts feature a design for the serious performance enthusiast who wants precision in making critical valvetrain adjustments. Use these components to secure your rocker arms and adjust the clearance between them and the valves. Howards Cams offers their durable rocker arm nuts in several styles, materials, thread diameters, and finishes to suit your specific application.
( 2 )
$5.99
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$65.99
Manley Rocker Arm Adjusting Nuts
Manley rocker arm adjusting nuts are made of a special chromoly hex material. They're heat-treated and feature a black oxide finish for durability. Set screws and an Allen wrench are included.
( 4 )
$0.84
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$13.21
PRW RockerLocs
PRW RockerLocs stabilize your rockers. Constructed from 5140 chromoly steel and heat-treated, they are precision ground for excellent runout to keep your rocker arms in place. RockerLocs for PRW rocker arms and stud girdles are available in 3/8 in. and 7/16 in. diameters.
( 3 )
$2.78
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$70.58
Dart Rocker Arm Adjusting Nuts
Dart rocker arm adjusting nuts are designed for use with your Dart heads. They are hardened polylock-style nuts that are direct replacements for those on your Dart stud girdles.
Not Yet Reviewed
$6.99
Brodix Cylinder Heads Rocker Arm Adjusting Nuts
Brodix Cylinder Heads rocker arm adjusting nuts are high-quality polylocks designed for full roller rocker arms. They're available in various sizes to suit your needs.
Not Yet Reviewed
$13.99
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$14.99
