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!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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Air Filter Nut 5/16-18 Aluminum Anodized Red IMCA Modifieds Late Models
J J MOTORSPORTS
$12.95Securing your air filter assembly with quality hardware ensures consistent carburetor sealing and prevents mid-race vibration-induced loosening that can compromise engine performance. This anodized aluminum stud nut delivers the durability and precision...RCFL-0012- SKU:
- RCFL-0012
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$12.95 -
Air Filter Nut 5/16-18 Aluminum Anodized Black IMCA Modifieds Late Models
J J MOTORSPORTS
$12.95Securing your air filter assembly requires hardware that matches the precision of your racing engine. This 5/16-18 aluminum nut delivers reliable fastening for four-barrel carburetors while keeping weight minimal—critical on track where every fraction of...RCFL-0011- SKU:
- RCFL-0011
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$12.95 -
Allstar Performance Offset Stud 5/16-18 ALL26053
ALLSTAR PERFORMANCE
$7.99The offset design of this Allstar stud positions your air cleaner assembly with precision, eliminating awkward fitment compromises and ensuring optimal airflow path geometry. A properly secured air cleaner mounting point prevents vibration-induced...ALL26053- SKU:
- ALL26053
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
$7.99 -
Wehrs Air Cleaner Nut 5/16in Thread WEHWM273125
WEHRS MACHINE
$16.00A secure air cleaner assembly depends on reliable fastening hardware that won't vibrate loose under engine load. Wehrs' thumb screw design eliminates the need for tools, letting you make quick adjustments to your air filter housing without breaking your...WEHWM273125- SKU:
- WEHWM273125
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- WM273125
$16.00 -
Wehrs Air Cleaner Nut 1/4in Thread WEHWM27250
WEHRS MACHINE
$16.00A secure air cleaner assembly starts with precision hardware. This Wehrs thumb screw nut ensures your air filter remains firmly seated under all conditions—whether you're at the track or pushing hard on the street. The black anodized aluminum...WEHWM27250- SKU:
- WEHWM27250
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- WM27250
$16.00 -
Allstar Performance Rocker Arm Stud Kit SBC 8 pcs ALL90230
ALLSTAR PERFORMANCE
$13.69Rocker arm studs are critical fastening points that anchor your rocker arms to the cylinder head—and inferior studs will loosen, slip, or fail under high RPM and valve spring pressure. The Allstar Performance ALL90230 kit delivers proven reliability with...ALL90230- SKU:
- ALL90230
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MFG Part #:
- ALL90230
$13.69 -
Allstar Performance Intake Bolt Kit SBC 12PT 12pk ALL87010
ALLSTAR PERFORMANCE
$18.99Your intake manifold bolts are critical fasteners that secure one of the most important assemblies on your engine—and factory hardware often fails under sustained heat and vibration. Allstar Performance's 12-point intake bolt kit replaces worn or...ALL87010- SKU:
- ALL87010
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
- MFG Part #:
- ALL87010
$18.99 -
Allstar Performance Valve Cover Hold Down Nuts 1/4in-20 Thread 4pk ALL26320
ALLSTAR PERFORMANCE
$34.99Keep your valve covers locked down tight with these precision-crafted hold-down nuts from Allstar Performance — a brand that serious racers and weekend builders trust. With a clean chrome finish and solid steel construction, they'll look just as good as...ALL26320- SKU:
- ALL26320
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- ALL26320
$34.99 -
Allstar Performance Air Cleaner Stud Straight Steel ALL26055
ALLSTAR PERFORMANCE
$19.99Keep your air cleaner locked down tight with the Allstar Performance Air Cleaner Stud (ALL26055) — a no-nonsense, heavy-duty solution built for serious racers and performance enthusiasts. Crafted from tough chromoly steel, this stud delivers the strength...ALL26055- SKU:
- ALL26055
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- MFG Part #:
- ALL26055
$19.99 -
Allstar Performance Air Cleaner Stud Straight Aluminum ALL26054
ALLSTAR PERFORMANCE
$15.99Keep your air cleaner locked down and looking clean with the Allstar Performance Air Cleaner Stud (ALL26054) — a simple, reliable solution built for racers and enthusiasts who demand precision fitment every time. Crafted from lightweight aluminum, this...ALL26054- SKU:
- ALL26054
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MFG Part #:
- ALL26054
$15.99 -
Allstar Performance O-Ring Carb Nut Short 5/16-18 ALL26047
ALLSTAR PERFORMANCE
$10.99Keep your air cleaner locked down in style with the Allstar Performance O-Ring Carb Nut. Machined from lightweight aluminum with a sleek black anodized finish, this short carb nut delivers a clean, professional look while providing a secure,...ALL26047- SKU:
- ALL26047
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MFG Part #:
- ALL26047
$10.99 -
Allstar Performance O-Ring Carb Nut Tall 1/4-20 ALL26046
ALLSTAR PERFORMANCE
$11.99Keep your air cleaner locked down tight with the Allstar Performance O-Ring Carb Nut Tall (ALL26046) — a sleek, race-proven solution that combines a secure seal with a clean, finished look under the hood. The built-in O-ring design eliminates annoying...ALL26046- SKU:
- ALL26046
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- ALL26046
$11.99 -
MSD Distributor Cap Bolt Down Kit for Ford Style Caps 8499
MSD IGNITION
$81.05Engine vibration in high-performance applications can loosen traditional spring-clip distributor caps, causing inconsistent spark delivery and ignition timing issues. The MSD Bolt Down Kit replaces unreliable clips with a secure fastening system, keeping...MSD8499- SKU:
- MSD8499
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$81.05 -
Moroso Oil Pan Bolt Kit - SBC 38551
MOROSO
$22.99Stock oil pan bolts are often the first thing to fail under sustained high RPM or boost, leading to costly leaks and engine damage. The Moroso Grade 8 bolt kit replaces those weak fasteners with hardened steel hardware designed to handle serious power...MOR38551- SKU:
- MOR38551
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
$22.99Qty in Cart: 0Quantity:Price:$22.99Subtotal: -
Chevrolet Performance Cylinder Head Bolt Kit Chevy LS Engines 17800568
CHEVROLET PERFORMANCE
$42.86Proper cylinder head bolt torque is critical to LS engine reliability—factory fasteners can stretch and lose clamping force over time, especially under boost or high RPM. This OEM-specification bolt kit from Chevrolet Performance restores your engine to...GMP17800568- SKU:
- GMP17800568
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
$42.86 -
Chevrolet Performance 1/4-20 Torx Bolt - for Cam Retainer Plate SBC 14093637
CHEVROLET PERFORMANCE
$2.99The cam retainer plate is critical to maintaining crankshaft timing accuracy and engine stability at high RPM. A compromised or missing fastener here can result in timing slip, valve float, and catastrophic engine failure. This OEM-specification...GMP14093637- SKU:
- GMP14093637
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$2.99 -
Chevrolet Performance Main Cap Bolt LS Series Inner 6-Bolt w/Tray Stud 12560273
CHEVROLET PERFORMANCE
$10.49When you're building or rebuilding an LS engine, the integrity of your main cap bolts directly impacts block stability and power transfer. OEM-quality fasteners like this Chevrolet Performance main cap bolt ensure you're not compromising durability when...GMP12560273- SKU:
- GMP12560273
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
$10.49 -
Chevrolet Performance Main Cap Bolt LS Series Inner 6-Bolt 12560272
CHEVROLET PERFORMANCE
$7.49Engine block integrity depends on quality fasteners, and OEM-spec main cap bolts are non-negotiable for reliable power delivery. This Chevrolet Performance bolt is engineered to maintain clamping force under extreme cylinder pressures, ensuring your LS...GMP12560272- SKU:
- GMP12560272
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
$7.49 -
Chevrolet Performance Cam Bolt - LS1/LS2/LS6 & LS7 12556127
CHEVROLET PERFORMANCE
$5.59A properly secured camshaft is non-negotiable for LS engine reliability and performance. This OEM Chevrolet cam bolt ensures your valvetrain stays locked in perfect timing, preventing the catastrophic failures that come from loose hardware during...GMP12556127- SKU:
- GMP12556127
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
$5.59 -
Dart Head Stud Kit 12pt Dart LS Next Aluminum Block 66120028B
DART
$791.24Head studs are the foundation of reliable cylinder head clamping, and the Dart Head Stud Kit delivers the clamping force your LS engine needs under extreme boost, nitrous, or high-RPM conditions. Unlike factory bolts, chromoly studs resist stretch and...DRT66120028B- SKU:
- DRT66120028B
- Availability:
- Ships Same Business Day
- Weight:
- 5.50 LBS
$791.24Qty in Cart: 0Quantity:Price:$791.24Subtotal: