Engine Fastener Kits
Circle Track Engine Fastener Kits at JJ Motorsports
Engine fasteners are precision-crafted to securely connect vital engine parts, like camshafts and carburetors, for peak performance under pressure. These durable options are indispensable for maintaining a powerful and reliable engine setup alongside other durable fastener solutions.
Shop trusted brands like Allstar Performance, Wehrs Machine, MSD Ignition, Moroso, Chevrolet Performance, Dart, Comp Cams. Explore related categories such as Exhaust Manifold/Header Fastener Kits, Rocker Arm Fastener Kits, Valve Cover Fastener Kits, Cylinder Head Fastener Kits, Carburetor Fastener Kits.
Top Circle Track Engine Fastener Kits
- Allstar Performance Offset Stud 5/16-18 ALL26053 – Air Cleaner Stud, Offset, 5/16-18 in Thread, 6 in Long, Steel, Zinc Oxide, Each.
- Wehrs Machine Air Cleaner Nut 5/16in Thread WEHWM273125 – Air Cleaner Nut, Thumb Screw, 5/16-18 in Thread, O-Ring, Aluminum, Black Anodized, Each.
- Allstar Performance Rocker Arm Stud Kit SBC 8 pcs ALL90230 – Rocker Arm Stud Kit SBC 8 pcs, Rocker Arm Stud, 7/16-14 in Base Thread, 3/8-24 in Top Thread, 2.375 in Long, Steel, Small Block Chevy, Set of 8.
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
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ARP S/S Header Bolt Kit - 3/8 x .750 UHL (12) 400-1201
ARP
$23.99Factory header bolts are prone to seizing and corrosion, compromising your exhaust system's integrity and making future service a nightmare. ARP's stainless steel header bolts eliminate this problem...ARP400-1201- SKU:
- ARP400-1201
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- MFG Part #:
- 400-1201
$23.99 -
ARP S/S Header Bolt Kit - 3/8 x 1.00 UHL (16) 400-1110
ARP
$49.99Header bolts are a critical fastening point in any exhaust manifold assembly—they need to withstand extreme heat cycles and vibration without loosening or failing. ARP's stainless steel construction...ARP400-1110- SKU:
- ARP400-1110
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- MFG Part #:
- 400-1110
$49.99 -
ARP S/S Header Bolt Kit - 3/8 x 1.00 UHL (12) 400-1109
ARP
$33.99Header bolts are critical fasteners that demand corrosion resistance and reliability under extreme heat cycling—ARP's stainless steel construction delivers both. A quality bolt kit eliminates the...ARP400-1109- SKU:
- ARP400-1109
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- MFG Part #:
- 400-1109
$33.99 -
ARP S/S Header Bolt Kit - 3/8 x .750 UHL (16) 400-1108
ARP
$46.99Header bolts are critical fasteners that secure your exhaust manifold under extreme thermal and vibrational stress. Cheap or corroded bolts fail prematurely, leading to exhaust leaks, lost power, and...ARP400-1108- SKU:
- ARP400-1108
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- MFG Part #:
- 400-1108
$46.99 -
ARP S/S Header Bolt Kit - 3/8 x .750 UHL (12) 400-1107
ARP
$39.99Header bolts endure extreme heat cycling and vibration that standard fasteners simply cannot withstand—ARP's stainless steel construction ensures your headers stay secure without risk of bolt failure...ARP400-1107- SKU:
- ARP400-1107
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MFG Part #:
- 400-1107
$39.99Qty in Cart: 0Quantity:Price:$39.99Subtotal: -
ARP S/S Header Bolt Kit - 3/8 x .750 UHL (12) 400-1103
ARP
$46.99Header bolts are a critical fastening point in your exhaust system, and using OEM-grade or inferior fasteners invites corrosion, loosening, and catastrophic leaks under load. ARP's stainless steel...ARP400-1103- SKU:
- ARP400-1103
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 400-1103
$46.99 -
ARP S/S Header Bolt Kit - 3/8 x .750 UHL (16) 400-1102
ARP
$31.99Header bolts are one of the most overlooked wear items in high-performance engine builds, yet they're critical to maintaining exhaust manifold integrity under sustained heat and vibration. Factory...ARP400-1102- SKU:
- ARP400-1102
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MFG Part #:
- 400-1102
$31.99 -
ARP S/S Header Bolt Kit - 3/8 x .750 UHL (12) 400-1101
ARP
$23.99Header bolts are a critical fastening component that directly impacts exhaust system integrity and engine reliability. Stock bolts can corrode, seize, and fail under the thermal cycling stress of...ARP400-1101- SKU:
- ARP400-1101
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- MFG Part #:
- 400-1101
$23.99 -
ARP Air Cleaner Stud Kit - 1/4 x 3.200 S/S 400-0306
ARP
$14.99OEM air cleaner studs are prone to corrosion and stripped threads under repeated assembly cycles—especially in high-heat engine bays. This ARP stainless steel stud kit delivers the reliability you...ARP400-0306- SKU:
- ARP400-0306
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 400-0306
$14.99 -
ARP SBC Rocker Arm Stud Kit 334-7204
ARP
$134.99Rocker 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...ARP334-7204- SKU:
- ARP334-7204
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- MFG Part #:
- 334-7204
$134.99 -
ARP SBC Rocker Arm Stud Kit 334-7203
ARP
$134.99Rocker 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...ARP334-7203- SKU:
- ARP334-7203
- Availability:
- Ships Same Business Day
- Weight:
- 2.18 LBS
- MFG Part #:
- 334-7203
$134.99 -
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...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
$88.99ARP 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...ARP300-8245- SKU:
- ARP300-8245
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- MFG Part #:
- 300-8245
$88.99 -
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...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...ARP300-8242- SKU:
- ARP300-8242
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- MFG Part #:
- 300-8242
$88.99Qty in Cart: 0Quantity:Price:$88.99Subtotal: -
ARP Rocker Arm Nut Kit - 3/8 (16) 300-8241
ARP
$88.99Rocker 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...ARP300-8241- SKU:
- ARP300-8241
- Availability:
- Ships Same Business Day
- Weight:
- 1.27 LBS
- MFG Part #:
- 300-8241
$88.99Qty in Cart: 0Quantity:Price:$88.99Subtotal: -
ARP Carburetor Stud Kit - 3.200 OAL 300-2408
ARP
$19.99Carburetor studs are often overlooked, but a quality fastening system directly impacts fuel delivery stability and prevents gasket creep under engine vibration and heat cycles. ARP's Pro Series...ARP300-2408- SKU:
- ARP300-2408
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MFG Part #:
- 300-2408
$19.99 -
ARP Chevy Cam Bolt Kit 300-1001
ARP
$7.99Factory camshaft bolts are prone to stretching and failure under high RPM and boost conditions, compromising valve timing accuracy and risking catastrophic engine damage. ARP's Pro Series Cam Bolt...ARP300-1001- SKU:
- ARP300-1001
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- 300-1001
$7.99 -
ARP BBF Cam Bolt Kit 255-1001
ARP
$4.99Factory cam bolts are prone to stretch and failure under sustained RPM and boost conditions, compromising camshaft timing stability and risking catastrophic engine damage. The ARP BBF Cam Bolt Kit...ARP255-1001- SKU:
- ARP255-1001
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MFG Part #:
- 255-1001
$4.99 -
ARP SBF Rod Bolt Kit - Fits 289-302 w/5/16in 254-6402
ARP
$151.99Connecting rod bolts endure extreme loads and cyclic stress every engine revolution—stock fasteners are often the weakest link in a high-performance build. ARP's Pro Series rod bolt kit delivers the...ARP254-6402- SKU:
- ARP254-6402
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- 254-6402
$151.99
