Rocker Arm Fastener Kits
Circle Track Rocker Arm Fastener Kits at JJ Motorsports
Secure and stabilize your circle track engine's rocker arms with high-performance fastener kits from JJ Motorsports. Designed to prevent flex and ensure precise valve control under high-RPM conditions, these kits include studs, nuts, and girdles for reliable operation in demanding IMCA, USMTS, and dirt oval racing for late models, modifieds, and street stocks.
Shop trusted brands like Allstar Performance for SBC kits, Comp Cams for GM LS-series options, ARP for stainless steel studs, Moroso for high-flow designs. Explore related categories such as Circle Track Engine Fastener Kits for additional hardware or Circle Track Camshafts and Valvetrain for matching components.
Top Circle Track Rocker Arm Fastener Kits
- Allstar Performance Rocker Arm Stud Kit SBC 8 pcs ALL90230 – Rocker Arm Stud Kit for Small Block Chevy, set of 8 studs with 7/16-14 base thread, 3/8-24 top thread, 2.375 in long, steel construction.
- Comp Cams Rocker Arm Stud Kit GM LS7/LT 4587-KIT – Rocker Arm Stud Kit for GM LS-Series / LT-Series, set of 16 studs with 8 x 1.25 mm threads, 1.250 in effective length, nuts included, black oxide finish.
- Comp Cams Rocker Arm Stud Kit GM LS1/LS3 4582-KIT – Rocker Arm Stud Kit for GM LS-Series, set of 16 studs with 8 x 1.25 mm threads, 1.500 in effective length, nuts included, black oxide finish.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Comp Cams Sb Ford 5/16 Rocker Arm Adjusting kit 4610-16
COMP CAMS
$54.95If you're running an adjustable valvetrain on your small block Ford, precise rocker arm geometry is non-negotiable—even small deviations in preload can kill power and reliability. This Comp Cams adjusting kit gives you the fine-tuning capability to dial...COM4610-16- SKU:
- COM4610-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- MFG Part #:
- 4610-16
$54.95 -
Comp Cams 3/8 Hi-Tech Polylocks 4604-16
COMP CAMS
$60.95Rocker arm nuts that back off under vibration will ruin your engine's valve train geometry and create costly catastrophic failure. Comp Cams Hi-Tech Polylocks eliminate this risk with a nylon insert that locks in place the moment you torque it down—no...COM4604-16- SKU:
- COM4604-16
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
- MFG Part #:
- 4604-16
$60.95 -
Comp Cams 7/16 Magnum Polylocks 4603-16
COMP CAMS
$65.95Rocker arm nuts are critical fasteners that secure your valvetrain components under extreme loads and vibration. Comp Cams' Magnum Polylocks eliminate the need for lock washers and secondary fasteners by combining a self-locking mechanism with a threaded...COM4603-16- SKU:
- COM4603-16
- Availability:
- Ships Same Business Day
- Weight:
- 1.67 LBS
- MFG Part #:
- 4603-16
$65.95 -
Comp Cams 3/8 Magnum Polylocks 4602-16
COMP CAMS
$65.95Rocker arm nuts are critical fastening points in any valvetrain—improper retention leads to catastrophic engine failure. Comp Cams' Magnum Polylocks eliminate the need for separate locking mechanisms, delivering secure, maintenance-free fastening with a...COM4602-16- SKU:
- COM4602-16
- Availability:
- Ships Same Business Day
- Weight:
- 1.48 LBS
- MFG Part #:
- 4602-16
$65.95 -
Comp Cams Hi-Tech Polylock 3/8 For Alm-Ss-Pro-Mag Rockers 4601-16
COMP CAMS
$65.95Rocker arm nuts are a critical fastening component that directly impacts valve train stability and reliability under high RPM conditions. The Comp Cams Hi-Tech Polylock design uses a nylon insert to prevent vibration-induced loosening, eliminating the...COM4601-16- SKU:
- COM4601-16
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- MFG Part #:
- 4601-16
$65.95 -
Comp Cams Hi-Tech Polyloc 7/16 For Alm-Ss-Pro-Mag Rockers 4600-16
COMP CAMS
$65.95Rocker arm nut failure can lead to catastrophic valve train damage and engine failure—especially under high RPM conditions. Comp Cams' Hi-Tech Polyloc design uses a nylon-insert locking mechanism that prevents vibration-induced loosening without...COM4600-16- SKU:
- COM4600-16
- Availability:
- Ships Same Business Day
- Weight:
- 1.08 LBS
- MFG Part #:
- 4600-16
$65.95 -
Comp Cams Stud Girdle Adjusting Nuts 4508-16
COMP CAMS
$152.95Proper rocker arm preload is critical to maintaining valve train geometry and preventing catastrophic engine failure at high RPM. These Comp Cams stud girdle adjusting nuts deliver precise thread engagement and reliable clamping force, ensuring your...COM4508-16- SKU:
- COM4508-16
- Availability:
- Ships Same Business Day
- Weight:
- 2.36 LBS
- MFG Part #:
- 4508-16
$152.95 -
Comp Cams 3/8 Hi-Tech Rocker Stud 1.750 Upper Stud Length 4505-16
COMP CAMS
$89.95Rocker arm studs are critical fastening components that endure extreme valve train pressures—a worn or inadequate stud can lead to float, misalignment, and catastrophic valve train failure. Comp Cams' Hi-Tech rocker studs deliver precision threading and...COM4505-16- SKU:
- COM4505-16
- Availability:
- Ships Same Business Day
- Weight:
- 1.69 LBS
- MFG Part #:
- 4505-16
$89.95 -
Comp Cams 3/8 Magnum Rocker Studs 1.750 Upper Stud Length 4504-16
COMP CAMS
$81.95Rocker arm studs are critical fastening points that endure constant pressure from your valve train. Comp Cams' 3/8 Magnum Rocker Studs deliver the strength and precision needed to maintain consistent valve control under high RPM loads, preventing stud...COM4504-16- SKU:
- COM4504-16
- Availability:
- Ships Same Business Day
- Weight:
- 1.49 LBS
- MFG Part #:
- 4504-16
$81.95 -
Comp Cams 7/16 Magnum Rocker Studs 1.750 Upper Stud Length 4503-16
COMP CAMS
$81.95Rocker arm studs are critical fastening points that experience extreme stress during high-RPM operation—failure here means catastrophic valve train damage. Comp Cams' 7/16 Magnum Rocker Studs deliver the precision tolerancing and material strength needed...COM4503-16- SKU:
- COM4503-16
- Availability:
- Ships Same Business Day
- Weight:
- 2.01 LBS
- MFG Part #:
- 4503-16
$81.95 -
ARP SBC Rocker Arm Stud Kit 334-7204
ARP
$133.99Rocker arm studs endure extreme valve train stress during high-RPM operation, making factory hardware a common failure point in built engines. ARP's Pro Series studs replace weak OEM components with chromoly construction and precise thread...ARP334-7204- SKU:
- ARP334-7204
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- MFG Part #:
- 334-7204
$133.99 -
ARP SBC Rocker Arm Stud Kit 334-7203
ARP
$133.99Rocker arm studs are a critical foundation for valvetrain stability—especially under high RPM or forced induction conditions where stock fasteners can stretch or fail. The ARP SBC Rocker Arm Stud Kit 334-7203 delivers Pro Series construction with...ARP334-7203- SKU:
- ARP334-7203
- Availability:
- Ships Same Business Day
- Weight:
- 2.18 LBS
- MFG Part #:
- 334-7203
$133.99 -
ARP SBC Rocker Arm Stud Kit 334-7202
ARP
$134.99Rocker arm studs are critical fastening points in your valvetrain—inadequate clamping force leads to valve float, inconsistent timing, and power loss. The ARP SBC Rocker Arm Stud Kit 334-7202 uses premium chromoly construction and precision threading to...ARP334-7202- SKU:
- ARP334-7202
- Availability:
- Ships Same Business Day
- Weight:
- 2.23 LBS
- MFG Part #:
- 334-7202
$134.99 -
ARP Rocker Arm Nut Kit - 7/16 (16) 300-8245
ARP
$84.99ARP rocker arm nuts are engineered to maintain consistent clamp load and prevent fastener loosening under the extreme vibration and thermal cycling of high-performance engines. Using chromoly construction with a black oxide finish, these nuts deliver the...ARP300-8245- SKU:
- ARP300-8245
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- MFG Part #:
- 300-8245
$84.99 -
ARP Rocker Arm Nut Kit - 3/8 (16) 300-8243
ARP
$88.99Rocker arm nuts are a critical fastening point in your valvetrain, and using OEM hardware in high-performance applications is a recipe for failure. ARP's chromoly rocker arm nuts are engineered to withstand the extreme pressures and cyclic stress of...ARP300-8243- SKU:
- ARP300-8243
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- MFG Part #:
- 300-8243
$88.99 -
ARP Rocker Arm Nut Kit - 7/16 (16) 300-8242
ARP
$88.99Rocker arm nuts endure constant mechanical stress and thermal cycling—factory fasteners often fail under high RPM conditions, leading to valve train instability and catastrophic engine damage. ARP's chromoly rocker arm nuts are engineered to withstand...ARP300-8242- SKU:
- ARP300-8242
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- MFG Part #:
- 300-8242
$88.99 -
ARP Rocker Arm Nut Kit - 3/8 (16) 300-8241
ARP
$84.99Rocker arm nuts are a critical fastening component that directly impact valve train stability and engine reliability. Standard steel nuts can loosen under the extreme vibration and thermal cycling of high-performance or racing engines, leading to valve...ARP300-8241- SKU:
- ARP300-8241
- Availability:
- Ships Same Business Day
- Weight:
- 1.27 LBS
- MFG Part #:
- 300-8241
$84.99 -
ARP Rocker Arm Stud Kit GM LS Series Engines 234-7207
ARP
$131.99Rocker arm studs are a critical fastening component that directly impacts valvetrain stability and reliability under high-RPM conditions. OEM studs can stretch or fail under forced induction or aggressive cam profiles, leading to valve float and...ARP234-7207- SKU:
- ARP234-7207
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MFG Part #:
- 234-7207
$131.99 -
ARP SBC Rocker Arm Stud Kit 234-7206
ARP
$133.99Rocker arm studs endure extreme loads and thermal cycling in high-performance engines—stock hardware simply won't survive sustained abuse. The ARP SBC Rocker Arm Stud Kit 234-7206 delivers the strength and reliability you need to keep your valvetrain...ARP234-7206- SKU:
- ARP234-7206
- Availability:
- Ships Same Business Day
- Weight:
- 2.09 LBS
- MFG Part #:
- 234-7206
$133.99 -
ARP SBC Rocker Arm Stud Kit 234-7202
ARP
$98.99Rocker arm studs endure extreme cylinder pressures and valvetrain velocities that quickly wear factory hardware. The ARP SBC Rocker Arm Stud Kit 234-7202 replaces weak OEM studs with premium chromoly construction, delivering the clamping force and...ARP234-7202- SKU:
- ARP234-7202
- Availability:
- Ships Same Business Day
- Weight:
- 1.93 LBS
- MFG Part #:
- 234-7202
$98.99
