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Fasteners

Fasteners

Fasteners

Circle Track Fasteners: Bolts, Nuts & Hood Pins for IMCA Racing at JJ Motorsports

Secure every critical component in your circle track racer with premium fasteners from JJ Motorsports. Our selection includes body bolts, lug nuts, quick change cover nuts, hood pins, and more, designed for long-lasting reliability under the pressure of modifieds, street stocks, late models, and IMCA dirt racing. Made from durable materials like steel and aluminum, these high-strength parts ensure precision fitment and safety on the track.

Shop trusted brands like Allstar Performance. Explore related categories such as circle track exterior components for body panels or circle track exhaust for performance upgrades.

Top Circle Track Fastener Products

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
  • Pinion Washer  DMIRRC-1368

    DMI Pinion Washer RRC-1368

    DIVERSIFIED MACHINE

    $6.99
    A pinion washer might seem like a small detail, but it's critical for maintaining proper ring and pinion geometry and preventing gear creep under load. If you're running DMI ring and pinion sets, using the correct OEM washer ensures consistent preload...
    DMIRRC-1368
    SKU:
    DMIRRC-1368
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    RRC-1368
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • Rear Cover Nut Gold  DMIRRC-1361G

    DMI Rear Cover Nut Gold RRC-1361G

    DIVERSIFIED MACHINE

    $11.49
    If you're running a DMI quick-change gear cover system, you need fasteners that won't let you down during high-RPM operation. This gold-anodized aluminum nut pairs form with function—it's corrosion-resistant, lightweight, and engineered to secure your...
    DMIRRC-1361G
    SKU:
    DMIRRC-1361G
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    RRC-1361G
    $11.49
    Qty in Cart: 0
    Quantity:
    Price:
    $11.49
    Subtotal:
  • Rear Nut Cover - Blue  DMIRRC-1361B

    DMI Rear Nut Cover - Blue RRC-1361B

    DIVERSIFIED MACHINE

    $11.49
    If you're running a quick-change rear end, protecting your gear cover fasteners from dirt, vibration, and corrosion is essential for reliability on the track or street. The DMI Rear Nut Cover keeps your 3/8-16 fasteners clean and secure while adding a...
    DMIRRC-1361B
    SKU:
    DMIRRC-1361B
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    MFG Part #:
    RRC-1361B
    $11.49
    Qty in Cart: 0
    Quantity:
    Price:
    $11.49
    Subtotal:
  • Rear Cover Nut Black  DMIRRC-1361

    DMI Rear Cover Nut Black RRC-1361

    DIVERSIFIED MACHINE

    $11.49
    If you're running DMI Quick Change Gear Covers, you need a reliable fastening solution that won't let you down on the track or at the shop. This black anodized aluminum rear cover nut provides a secure, professional finish while maintaining the precision...
    DMIRRC-1361
    SKU:
    DMIRRC-1361
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    RRC-1361
    $11.49
    Qty in Cart: 0
    Quantity:
    Price:
    $11.49
    Subtotal:
  • Ring Gear Bolt  DMIRRC-1301

    DMI Ring Gear Bolt RRC-1301

    DIVERSIFIED MACHINE

    $2.99
    Ring gear bolts endure extreme loading forces during acceleration and deceleration, making OEM specifications non-negotiable for differential reliability. The DMI RRC-1301 delivers exact fitment and material specifications to maintain clamping force and...
    DMIRRC-1301
    SKU:
    DMIRRC-1301
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    RRC-1301
    $2.99
    Qty in Cart: 0
    Quantity:
    Price:
    $2.99
    Subtotal:
  • CT-1 Side Bell Flange Nut DMIRRC-1127

    DMI CT-1 Side Bell Flange Nut RRC-1127

    DIVERSIFIED MACHINE

    $3.99
    The DMI CT-1 Side Bell Flange Nut is an essential fastening component for Bulldog Quick Change rear end assemblies, ensuring secure and reliable connection under high-stress racing conditions. Precision-engineered with cadmium plating for corrosion...
    DMIRRC-1127
    SKU:
    DMIRRC-1127
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    RRC-1127
    $3.99
    Qty in Cart: 0
    Quantity:
    Price:
    $3.99
    Subtotal:
  • Side Bell Stud  DMIRRC-1110

    DMI Side Bell Stud RRC-1110

    DIVERSIFIED MACHINE

    $6.99
    The DMI Side Bell Stud RRC-1110 is a critical fastening component engineered for high-stress racing applications where standard hardware won't cut it. Built from chromoly steel and finished with cadmium plating, this stud delivers the tensile strength...
    DMIRRC-1110
    SKU:
    DMIRRC-1110
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    RRC-1110
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • Magnetic 3/8in NPT Drain Plug DMIRRC-1031

    DMI Magnetic 3/8in NPT Drain Plug RRC-1031

    DIVERSIFIED MACHINE

    $5.99
    A quality drain plug does more than empty oil—it protects your engine from ferrous wear debris that compromises bearing clearances and accelerates component failure. The DMI RRC-1031 pairs a steel construction with an integrated magnetic core that...
    DMIRRC-1031
    SKU:
    DMIRRC-1031
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    RRC-1031
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • Fill Level Plug  DMIRRC-1016

    DMI Fill Level Plug RRC-1016

    DIVERSIFIED MACHINE

    $17.99
    Keeping your DMI Bulldog CT-1 center or side bells properly serviced requires a reliable fill level plug that won't corrode or fail under demanding conditions. This OEM-equivalent drain plug ensures accurate fluid level monitoring and secure sealing,...
    DMIRRC-1016
    SKU:
    DMIRRC-1016
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    RRC-1016
    $17.99
    Qty in Cart: 0
    Quantity:
    Price:
    $17.99
    Subtotal:
  • Large Inspection Plug  DMIRRC-1010

    DMI Large Inspection Plug RRC-1010

    DIVERSIFIED MACHINE

    $30.99
    Keeping your DMI Bulldog CT-1 center or side bell properly sealed during operation is critical for maintaining oil pressure integrity and preventing fluid loss in high-performance applications. This large inspection plug provides reliable access for...
    DMIRRC-1010
    SKU:
    DMIRRC-1010
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    RRC-1010
    $30.99
    Qty in Cart: 0
    Quantity:
    Price:
    $30.99
    Subtotal:
  • CT1 Spiralock for Seal Plate DMIRRC-1007

    DMI CT1 Spiralock for Seal Plate RRC-1007

    DIVERSIFIED MACHINE

    $5.99
    The DMI CT1 Spiralock ensures your seal plate stays securely fastened under extreme load and vibration—critical for maintaining differential integrity in high-performance applications. This precision-engineered spiral lock ring prevents loosening that...
    DMIRRC-1007
    SKU:
    DMIRRC-1007
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    RRC-1007
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • Lock Washer for 2.5in GN 5x5 Hub DMICRC-2006

    DMI Lock Washer for 2.5in GN 5x5 Hub CRC-2006

    DIVERSIFIED MACHINE

    $4.99
    A properly secured wheel hub isn't just about safety—it's about consistency. This DMI lock washer prevents spindle nut loosening under the extreme vibration and lateral forces of racing, ensuring your hub stays precisely seated lap after lap. Don't...
    DMICRC-2006
    SKU:
    DMICRC-2006
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    CRC-2006
    $4.99
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • Locknut for 2.5in GN 5x5 Hub DMICRC-2005

    DMI Locknut for 2.5in GN 5x5 Hub CRC-2005

    DIVERSIFIED MACHINE

    $20.99
    A secure wheel retention system is non-negotiable in high-performance racing, and this DMI locknut delivers the reliability you need for consistent, repeatable results. Designed specifically for 2.5in Grand National spindle applications with 5x5 bolt...
    DMICRC-2005
    SKU:
    DMICRC-2005
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    MFG Part #:
    CRC-2005
    $20.99
    Qty in Cart: 0
    Quantity:
    Price:
    $20.99
    Subtotal:
  • Nylon Washer For Mud Cover DDR20040

    Nylon Washer For Mud Cover 20040

    DIRT DEFENDER RACING PRODUCTS

    $0.59
    Mud cover fasteners take a beating in harsh track and trail conditions, and a worn or damaged washer compromises the seal that keeps debris out of critical components. This nylon washer is engineered for the quick-release mechanism on Dirt Defender Mud...
    DDR20040
    SKU:
    DDR20040
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MFG Part #:
    20040
    $0.59
    Qty in Cart: 0
    Quantity:
    Price:
    $0.59
    Subtotal:
  • Sb Ford 5/16 Rocker Arm Adjusting kit COM4610-16

    Comp Cams Sb Ford 5/16 Rocker Arm Adjusting kit 4610-16

    COMP CAMS

    $54.95
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • 3/8 Hi-Tech Polylocks  COM4604-16

    Comp Cams 3/8 Hi-Tech Polylocks 4604-16

    COMP CAMS

    $60.95
    Rocker 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
    Qty in Cart: 0
    Quantity:
    Price:
    $60.95
    Subtotal:
  • 7/16 Magnum Polylocks  COM4603-16

    Comp Cams 7/16 Magnum Polylocks 4603-16

    COMP CAMS

    $65.95
    Rocker 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
    Qty in Cart: 0
    Quantity:
    Price:
    $65.95
    Subtotal:
  • 3/8 Magnum Polylocks  COM4602-16

    Comp Cams 3/8 Magnum Polylocks 4602-16

    COMP CAMS

    $65.95
    Rocker 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
    Qty in Cart: 0
    Quantity:
    Price:
    $65.95
    Subtotal:
  • Hi-Tech Polylock 3/8 For Alm-Ss-Pro-Mag Rockers COM4601-16

    Comp Cams Hi-Tech Polylock 3/8 For Alm-Ss-Pro-Mag Rockers 4601-16

    COMP CAMS

    $65.95
    Rocker 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
    Qty in Cart: 0
    Quantity:
    Price:
    $65.95
    Subtotal:
  • Hi-Tech Polyloc 7/16 For Alm-Ss-Pro-Mag Rockers COM4600-16

    Comp Cams Hi-Tech Polyloc 7/16 For Alm-Ss-Pro-Mag Rockers 4600-16

    COMP CAMS

    $65.95
    Rocker 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
    Qty in Cart: 0
    Quantity:
    Price:
    $65.95
    Subtotal:
  • Total: items /

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