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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
  • Spark Plug Index Shims 14mm ALL96505

    Allstar Performance Spark Plug Index Shims 14mm ALL96505

    ALLSTAR PERFORMANCE

    $21.99
    Spark Plug Index Shims 14mmSpark Plug WasherIndexing14 mm Flat Seat60 and 90 Degree ShimsSet of 24
    ALL96505
    SKU:
    ALL96505
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    ALL96505
    $21.99
    Qty in Cart: 0
    Quantity:
    Price:
    $21.99
    Subtotal:
  • Bolt Kit for ALL92000 Oil Filter Adapter ALL92001

    Allstar Performance Bolt Kit for ALL92000 Oil Filter Adapter ALL92001

    ALLSTAR PERFORMANCE

    $12.39
    Bolt Kit for ALL92000 Oil Filter AdapterOil Filter Adapter BoltSteelBlack OxideSmall Block ChevyAllstar Oil Filter AdaptersPair
    ALL92001
    SKU:
    ALL92001
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    ALL92001
    $12.39
    Qty in Cart: 0
    Quantity:
    Price:
    $12.39
    Subtotal:
  • Cylinder Head Bolt Kit BBC 32pcs ALL87002

    Allstar Performance Cylinder Head Bolt Kit BBC 32pcs ALL87002

    ALLSTAR PERFORMANCE

    $58.99
    Cylinder Head Bolt Kit BBC 32pcsCylinder Head Bolt KitHex HeadSteelBlack OxideBig Block ChevyKit
    ALL87002
    SKU:
    ALL87002
    Availability:
    Ships Same Business Day
    Weight:
    5.36 LBS
    MFG Part #:
    ALL87002
    $58.99
    Qty in Cart: 0
    Quantity:
    Price:
    $58.99
    Subtotal:
  • Cylinder Head Bolt Kit SBC 34pcs ALL87000

    Allstar Performance Cylinder Head Bolt Kit SBC 34pcs ALL87000

    ALLSTAR PERFORMANCE

    $43.99
    Cylinder Head Bolt Kit SBC 34pcsCylinder Head Bolt KitHex HeadSteelBlack OxideSmall Block ChevyKit
    ALL87000
    SKU:
    ALL87000
    Availability:
    Ships Same Business Day
    Weight:
    4.31 LBS
    MFG Part #:
    ALL87000
    $43.99
    Qty in Cart: 0
    Quantity:
    Price:
    $43.99
    Subtotal:
  • Pump to Bracket Bolt Kit  ALL48507

    Allstar Performance Pump to Bracket Bolt Kit ALL48507

    ALLSTAR PERFORMANCE

    $11.99
    Pump to Bracket Bolt Kit Power Steering Bracket HardwarePump to BracketSteelZinc OxideSmall Block ChevyKit
    ALL48507
    SKU:
    ALL48507
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    MFG Part #:
    ALL48507
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • Bracket to Head Bolt Kit  ALL48505

    Allstar Performance Bracket to Head Bolt Kit ALL48505

    ALLSTAR PERFORMANCE

    $13.99
    Bracket to Head Bolt Kit Power Steering Bracket HardwareHead MountSteelZinc OxideSmall Block ChevyKit
    ALL48505
    SKU:
    ALL48505
    Availability:
    Ships Same Business Day
    Weight:
    0.23 LBS
    MFG Part #:
    ALL48505
    $13.99
    Qty in Cart: 0
    Quantity:
    Price:
    $13.99
    Subtotal:
  • Stainless Steel Cable Ties 14-1/2in 4pk ALL34264

    Allstar Performance Stainless Steel Cable Ties 14-1/2in 4pk ALL34264

    ALLSTAR PERFORMANCE

    $8.99
    Stainless Steel Cable Ties 14-1/2in 4pkExhaust Wrap Ties14-1/2 in LongHeat ResistantStainlessSet of 4
    ALL34264
    SKU:
    ALL34264
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    ALL34264
    $8.99
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • Stainless Steel Cable Ties 7-1/2in 8pk ALL34262

    Allstar Performance Stainless Steel Cable Ties 7-1/2in 8pk ALL34262

    ALLSTAR PERFORMANCE

    $9.99
    Stainless Steel Cable Ties 7-1/2in 8pkExhaust Wrap Ties7-1/2 in LongHeat ResistantStainlessSet of 8
    ALL34262
    SKU:
    ALL34262
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    MFG Part #:
    ALL34262
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • Mandrel End Bolt 1/2-13x4in ALL31038

    Allstar Performance Mandrel End Bolt 1/2-13x4in ALL31038

    ALLSTAR PERFORMANCE

    $6.99
    Mandrel End Bolt 1/2-13x4inMandrel Drive Bolt1/2-13 in Bolt4.000 in LongHex HeadSteelCadmiumAllstar Mandrel KitsEach
    ALL31038
    SKU:
    ALL31038
    Availability:
    Ships Same Business Day
    Weight:
    0.33 LBS
    MFG Part #:
    ALL31038
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • Mandrel Bolt 3pk 5/16-18x1in ALL31037

    Allstar Performance Mandrel Bolt 3pk 5/16-18x1in ALL31037

    ALLSTAR PERFORMANCE

    $4.79
    Mandrel Bolt 3pk 5/16-18x1inMandrel Drive Bolt5/16-18 in Bolt1.000 in LongHex HeadSteelBlack OxideAllstar Mandrel KitsSet of 3
    ALL31037
    SKU:
    ALL31037
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    ALL31037
    $4.79
    Qty in Cart: 0
    Quantity:
    Price:
    $4.79
    Subtotal:
  • Carb Hold Down Nuts 5/16in-24 Thread 4pk ALL26326

    Allstar Performance Carb Hold Down Nuts 5/16in-24 Thread 4pk ALL26326

    ALLSTAR PERFORMANCE

    $31.99
    Carb Hold Down Nuts 5/16in-24 Thread 4pkNut5/16-24 in Thread1/4 in Square Ratchet DriveSteelBlack OxideCarburetor Hold DownSet of 4
    ALL26326
    SKU:
    ALL26326
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    ALL26326
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  • Carb Hold Down Nuts 5/16in-18 Thread 4pk ALL26324

    Allstar Performance Carb Hold Down Nuts 5/16in-18 Thread 4pk ALL26324

    ALLSTAR PERFORMANCE

    $31.99
    Carb Hold Down Nuts 5/16in-18 Thread 4pkNut5/16-18 in Thread1/4 in Square Ratchet DriveSteelBlack OxideCarburetor Hold DownSet of 4
    ALL26324
    SKU:
    ALL26324
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    ALL26324
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  • Air Cleaner Stud Adapter  ALL26058

    Allstar Performance Air Cleaner Stud Adapter ALL26058

    ALLSTAR PERFORMANCE

    $2.79
    Air Cleaner Stud Adapter Air Cleaner Stud Adapter1/4-20 to 5/16-18 in ThreadSteelZinc OxideEach
    ALL26058
    SKU:
    ALL26058
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MFG Part #:
    ALL26058
    $2.79
    Qty in Cart: 0
    Quantity:
    Price:
    $2.79
    Subtotal:
  • Offset Stud 1/4-20 x 6in ALL26057

    Allstar Performance Offset Stud 1/4-20 x 6in ALL26057

    ALLSTAR PERFORMANCE

    $3.99
    Offset Stud 1/4-20 x 6inAir Cleaner StudOffset1/4-20 in Thread6 in LongSteelZinc OxideEach
    ALL26057
    SKU:
    ALL26057
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    MFG Part #:
    ALL26057
    $3.99
    Qty in Cart: 0
    Quantity:
    Price:
    $3.99
    Subtotal:
  • Straight Stud w/ Adapter 1/4-20 x 6in ALL26056

    Allstar Performance Straight Stud w/ Adapter 1/4-20 x 6in ALL26056

    ALLSTAR PERFORMANCE

    $4.99
    Straight Stud w/ Adapter 1/4-20 x 6in Air Cleaner Stud 1/4-20 in Thread 6 in Long Adapter / Wing Nut Included Steel Zinc Oxide Kit Introducing the Allstar Performance Straight Stud with Adapter, the perfect solution for high-strength, versatile...
    ALL26056
    SKU:
    ALL26056
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    MFG Part #:
    ALL26056
    $4.99
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • O-Ring Carb Nut Tall 5/16-18 ALL26048

    Allstar Performance O-Ring Carb Nut Tall 5/16-18 ALL26048

    ALLSTAR PERFORMANCE

    $11.99
    O-Ring Carb Nut Tall 5/16-18Air Cleaner NutTall5/16-18 in ThreadAluminumBlack AnodizedEach
    ALL26048
    SKU:
    ALL26048
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    ALL26048
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • O-Ring Carb Nut Short 1/4-20 ALL26045

    Allstar Performance O-Ring Carb Nut Short 1/4-20 ALL26045

    ALLSTAR PERFORMANCE

    $10.99
    O-Ring Carb Nut Short 1/4-20Air Cleaner NutShort1/4-20 in ThreadAluminumBlack AnodizedEach
    ALL26045
    SKU:
    ALL26045
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    ALL26045
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    $10.99
    Subtotal:
  • Hi-Flow Accelerator Pump Nozzle Screw AED5550

    AED Hi-Flow Accelerator Pump Nozzle Screw 5550

    ADVANCED ENGINE DESIGN

    $9.30
    Hi-Flow Accelerator Pump Nozzle ScrewDischarge Nozzle ScrewHigh Flow HollowSteelCadmiumHolley CarburetorsEach
    AED5550
    SKU:
    AED5550
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MFG Part #:
    5550
    $9.30
    Qty in Cart: 0
    Quantity:
    Price:
    $9.30
    Subtotal:
  • 3-5/16in carb stud kit 2108

    3-5/16in Carb Stud Kit 2108

    TRANS-DAPT

    $8.99
    Carburetor Stud5/16-18 and 5/16-24 in Thread3-5/16 in LongHex NutsSteelSet of 4
    TRA2108
    SKU:
    TRA2108
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • Rocker Arm Studs 7/16-20 1.90 Ford/Chevy 16 Set TRFTFS-51400614

    Rocker Arm Studs 7/16-20 1.90 Ford/Chevy 16 Set TFS-51400614

    TRICK FLOW

    $52.99
    Rocker Arm Stud7/16-14 in Base Thread7/16-20 in Top Thread1.900 in Effective Stud LengthChromolyUniversalSet of 16
    TRFTFS-51400614
    SKU:
    TRFTFS-51400614
    Availability:
    Ships Same Business Day
    Weight:
    1.90 LBS
    $52.99
    Qty in Cart: 0
    Quantity:
    Price:
    $52.99
    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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