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Engine Fastener Kits

Engine Fastener Kits

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

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
  • rocker arm stud kit gm ls7/lt 4587-kit

    Comp Cams Rocker Arm Stud Kit GM LS7/LT 4587-KIT

    COMP CAMS

    $120.95
    Rocker Arm Stud8 x 1.25 mm Base Thread8 x 1.25 mm Top Thread1.250 in Effective Stud LengthNuts IncludedBlack OxideGM LS-Series / LT-SeriesSet of 16
    COM4587-KIT
    SKU:
    COM4587-KIT
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    $120.95
    Qty in Cart: 0
    Quantity:
    Price:
    $120.95
    Subtotal:
  • rocker arm stud kit gm ls1/ls3 4582-kit

    Comp Cams Rocker Arm Stud Kit GM LS1/LS3 4582-KIT

    COMP CAMS

    $112.95
    Rocker Arm Stud8 x 1.25 mm Base Thread8 x 1.25 mm Top Thread1.500 in Effective Stud LengthNuts IncludedBlack OxideGM LS-SeriesSet of 16
    COM4582-KIT
    SKU:
    COM4582-KIT
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    $112.95
    Qty in Cart: 0
    Quantity:
    Price:
    $112.95
    Subtotal:
  • valve cover bolt kit 6pt gm ls1/ls2 400-7529

    ARP Valve Cover Bolt Kit 6pt GM LS1/LS2 400-7529

    ARP

    $64.99
    Valve Cover FastenerBolt6 mm Male Thread2.755 in LongHex HeadPolishedGM LS-SeriesSet of 8
    ARP400-7529
    SKU:
    ARP400-7529
    Availability:
    Ships Same Business Day
    Weight:
    0.57 LBS
    $64.99
    Qty in Cart: 0
    Quantity:
    Price:
    $64.99
    Subtotal:
  • carb stud kit - ss 6pt 5/16 x 1.700/2.050 300-2424

    ARP Carb Stud Kit - SS 6pt 5/16 x 1.700/2.050 300-2424

    ARP

    $26.99
    Carburetor Stud5/16-18 and 5/16-24 in Thread1.700 / 2.050 in LongHex NutsDrilledNaturalKit
    ARP300-2424
    SKU:
    ARP300-2424
    Availability:
    Ships Same Business Day
    Weight:
    0.23 LBS
    $26.99
    Qty in Cart: 0
    Quantity:
    Price:
    $26.99
    Subtotal:
  • head stud kit - ca625+ pro-series gm ls 04-up 234-4314

    ARP Head Stud Kit - CA625+ Pro-Series GM LS 04-Up 234-4314

    ARP

    $804.99
    Cylinder Head Stud Kit12 Point NutsChromolyNaturalGM LS-Series
    ARP234-4314
    SKU:
    ARP234-4314
    Availability:
    Ships Same Business Day
    Weight:
    5.75 LBS
    $804.99
    Qty in Cart: 0
    Quantity:
    Price:
    $804.99
    Subtotal:
  • head stud kit - ca625+ pro-series gm ls 97-03 234-4313

    ARP Head Stud Kit - CA625+ Pro-Series GM LS 97-03 234-4313

    ARP

    $907.99
    Cylinder Head Stud Kit12 Point NutsChromolyNaturalGM LS-Series 1997-2003
    ARP234-4313
    SKU:
    ARP234-4313
    Availability:
    Ships Same Business Day
    Weight:
    7.14 LBS
    $907.99
    Qty in Cart: 0
    Quantity:
    Price:
    $907.99
    Subtotal:
  • head bolt kit - 12pt gm lsa 234-3726

    ARP Head Bolt Kit - 12pt GM LSA 234-3726

    ARP

    $162.99
    Cylinder Head Bolt KitPro Series12 Point NutsChromolyBlack OxideKit
    ARP234-3726
    SKU:
    ARP234-3726
    Availability:
    Ships Same Business Day
    Weight:
    4.55 LBS
    $162.99
    Qty in Cart: 0
    Quantity:
    Price:
    $162.99
    Subtotal:
  • head bolt kit 12pt - gm ls gen iii 2004 & later 234-3725

    ARP Head Bolt Kit 12pt - GM LS Gen III 2004 & Later 234-3725

    ARP

    $169.99
    Cylinder Head Stud KitPro Series12 Point NutsChromolyBlack OxideKit
    ARP234-3725
    SKU:
    ARP234-3725
    Availability:
    Ships Same Business Day
    Weight:
    4.55 LBS
    $169.99
    Qty in Cart: 0
    Quantity:
    Price:
    $169.99
    Subtotal:
  • carb stud kit - use w/ 1in carb spacer 200-2420

    ARP Carb Stud Kit - use w/ 1in Carb Spacer 200-2420

    ARP

    $23.99
    Carburetor Stud5/16-18 in ThreadHex NutsChromolyBlack OxideSet of 4
    ARP200-2420
    SKU:
    ARP200-2420
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
  • air cleaner stud kit 5/16 x 3.200 200-0303

    ARP Air Cleaner Stud Kit 5/16 x 3.200 200-0303

    ARP

    $5.99
    Air Cleaner Stud5/16-18 in Thread3.200 in LongChromolyBlack Oxide
    ARP200-0303
    SKU:
    ARP200-0303
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • head bolt kit - 12pt gm lsa 134-3713

    ARP Head Bolt Kit - 12pt GM LSA 134-3713

    ARP

    $146.99
    Cylinder Head Bolt Kit12 Point HeadChromolyBlack OxideGM LS-Series
    ARP134-3713
    SKU:
    ARP134-3713
    Availability:
    Ships Same Business Day
    Weight:
    4.50 LBS
    $146.99
    Qty in Cart: 0
    Quantity:
    Price:
    $146.99
    Subtotal:
  • head bolt kit - 12pt gm ls 04 & later 134-3710

    ARP Head Bolt Kit - 12pt GM LS 04 & Later 134-3710

    ARP

    $145.99
    Cylinder Head Bolt Kit12 Point HeadChromolyBlack OxideGM LS-Series
    ARP134-3710
    SKU:
    ARP134-3710
    Availability:
    Ships Same Business Day
    Weight:
    4.75 LBS
    $145.99
    Qty in Cart: 0
    Quantity:
    Price:
    $145.99
    Subtotal:
  • head bolt kit - 12pt - gm ls 97-03 134-3709

    ARP Head Bolt Kit - 12pt - GM LS 97-03 134-3709

    ARP

    $214.99
    Cylinder Head Stud Kit12 Point StudsChromolyBlack OxideGM LS-Series
    ARP134-3709
    SKU:
    ARP134-3709
    Availability:
    Ships Same Business Day
    Weight:
    6.00 LBS
    $214.99
    Qty in Cart: 0
    Quantity:
    Price:
    $214.99
    Subtotal:
  • sbc 6pt short w/p bolt kit 134-3204

    ARP SBC 6pt Short W/P Bolt Kit 134-3204

    ARP

    $13.49
    SB Chevy hex short water pump bolt kit
    ARP134-3204
    SKU:
    ARP134-3204
    Availability:
    Ships Same Business Day
    Weight:
    0.42 LBS
    $13.49
    Qty in Cart: 0
    Quantity:
    Price:
    $13.49
    Subtotal:
  • sbc 12pt short w/p bolt kit 134-3203

    ARP SBC 12pt Short W/P Bolt Kit 134-3203

    ARP

    $19.99
    Water Pump Bolt Kit12 Point HeadChromolyBlack OxideSmall Block Chevy
    ARP134-3203
    SKU:
    ARP134-3203
    Availability:
    Ships Same Business Day
    Weight:
    0.42 LBS
    $19.99
    Qty in Cart: 0
    Quantity:
    Price:
    $19.99
    Subtotal:
  • thermostat housing bolt kit 12pt chevy v8 79-90 130-7401

    ARP Thermostat Housing Bolt Kit 12pt Chevy V8 79-90 130-7401

    ARP

    $7.99
    Thermostat Housing Bolt Kit3/8 in Male thread1.000 / 2.000 in Long12 Point HeadWashers IncludedBlack OxideChevroletKit
    ARP130-7401
    SKU:
    ARP130-7401
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • valve cover bolt kit gm ls1/ls2 6pt 100-7524

    ARP Valve Cover Bolt Kit GM LS1/LS2 6pt 100-7524

    ARP

    $54.99
    Valve Cover FastenerBolt6 mm Male Thread2.755 in LongHex HeadChromolyBlack OxideGM LS-SeriesSet of 8
    ARP100-7524
    SKU:
    ARP100-7524
    Availability:
    Ships Same Business Day
    Weight:
    0.57 LBS
    $54.99
    Qty in Cart: 0
    Quantity:
    Price:
    $54.99
    Subtotal:
  • valve cover bolt kit gm ls1/ls2 12pt 100-7523

    ARP Valve Cover Bolt Kit GM LS1/LS2 12pt 100-7523

    ARP

    $54.99
    Valve Cover FastenerBolt6 mm Male Thread2.755 in Long12 Point HeadChromolyBlack OxideGM LS-SeriesSet of 8
    ARP100-7523
    SKU:
    ARP100-7523
    Availability:
    Ships Same Business Day
    Weight:
    0.57 LBS
    $54.99
    Qty in Cart: 0
    Quantity:
    Price:
    $54.99
    Subtotal:
  • valve cover bolt kit 6pt 1/4-20 x .812 (8pk) 100-7507

    ARP Valve Cover Bolt Kit 6pt 1/4-20 x .812 (8pk) 100-7507

    ARP

    $11.49
    Valve Cover FastenerBolt1/4-20 in Thread0.812 in LongHex HeadChromolyBlack OxideSet of 8
    ARP100-7507
    SKU:
    ARP100-7507
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    $11.49
    Qty in Cart: 0
    Quantity:
    Price:
    $11.49
    Subtotal:
  • valve cover bolt kit - 12pt - stamped steel 100-7502

    ARP Valve Cover Bolt Kit - 12pt - Stamped Steel 100-7502

    ARP

    $19.49
    Valve Cover FastenerBolt1/4-20 in Thread0.515 in Long12 Point HeadChromolyBlack OxideSet of 14
    ARP100-7502
    SKU:
    ARP100-7502
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    $19.49
    Qty in Cart: 0
    Quantity:
    Price:
    $19.49
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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