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Engines and Components

Engines and Components

Engines and Components

Circle Track Engine Parts: Camshafts, Blocks & Accessories for Late Models at JJ Motorsports

Power up your circle track engine with premium components from JJ Motorsports. Our selection includes serpentine drive kits, pulley systems, valve covers, engine blocks, camshafts, and more for maximum horsepower, durability, and performance in late models, modifieds, street stocks, and IMCA dirt racing. Compatible with Small Block Chevy (SBC), LS-series, and other racing engines, these high-quality parts ensure reliable operation under intense track conditions.

Shop trusted brands like Jones Racing, Allstar Performance, Chevrolet Performance, and Howards Racing Components. Explore related categories such as circle track drivetrain for transmission upgrades or circle track chassis components for frame enhancements.

Top Circle Track Engine 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
  • GM LS2 Billet Roller Timing Set w/Torr. Brg ROLCS1185

    GM LS2 Billet Roller Timing Set w/Torr. Brg CS1185

    ROLLMASTER-ROMAC

    $194.88
    A worn or slack timing chain compromises your LS2's precision ignition timing, robbing you of power and risking catastrophic engine damage. This billet roller timing set eliminates flex and slop in the valvetrain, ensuring repeatable, accurate cam timing...
    ROLCS1185
    SKU:
    ROLCS1185
    Availability:
    Ships Same Business Day
    Weight:
    3.84 LBS
    MFG Part #:
    CS1185
    $194.88
    Qty in Cart: 0
    Quantity:
    Price:
    $194.88
    Subtotal:
  • GM LS1 Billet Roller Timing Set w/Torr. Brg ROLCS1160

    GM LS1 Billet Roller Timing Set w/Torr. Brg CS1160

    ROLLMASTER-ROMAC

    $175.37
    A worn or stock timing chain introduces unpredictable slack into your LS1's valve timing, robbing you of precise power delivery and reliability under boost or high RPM load. The CS1160 billet roller timing set eliminates this variable with a reinforced...
    ROLCS1160
    SKU:
    ROLCS1160
    Availability:
    Ships Same Business Day
    Weight:
    3.85 LBS
    MFG Part #:
    CS1160
    $175.37
    Qty in Cart: 0
    Quantity:
    Price:
    $175.37
    Subtotal:
  • GM LS1 Billet Roller Timing Set w/Torr. Brg ROLCS1136

    GM LS1 Billet Roller Timing Set w/Torr. Brg CS1136

    ROLLMASTER-ROMAC

    $165.96
    A worn or stock timing chain can introduce unwanted slack into your LS1's valve timing, robbing you of consistency and performance under boost or high RPM operation. This billet roller timing set eliminates that variability with a precision-engineered...
    ROLCS1136
    SKU:
    ROLCS1136
    Availability:
    Ships Same Business Day
    Weight:
    3.85 LBS
    MFG Part #:
    CS1136
    Qty in Cart: 0
    Quantity:
    Price:
    $165.96
    Subtotal:
  • SBC Billet Roller Timing Set w/Torr. Bearing ROLCS1050

    SBC Billet Roller Timing Set w/Torr. Bearing CS1050

    ROLLMASTER-ROMAC

    $166.86
    A quality timing chain set is foundational to engine reliability—especially when you're pushing your Small Block Chevy to its limits. The CS1050 delivers precision timing control with a billet steel construction designed to withstand high RPM loads...
    ROLCS1050
    SKU:
    ROLCS1050
    Availability:
    Ships Same Business Day
    Weight:
    2.90 LBS
    MFG Part #:
    CS1050
    $166.86
    Qty in Cart: 0
    Quantity:
    Price:
    $166.86
    Subtotal:
  • SBC Billet Roller Timing Set w/Torr. Bearing ROLCS1040

    SBC Billet Roller Timing Set w/Torr. Bearing CS1040

    ROLLMASTER-ROMAC

    $158.03
    A precision timing chain set is the backbone of reliable engine timing—and the CS1040 delivers the durability and accuracy your Small Block Chevy demands. This billet steel roller set eliminates the flex and wear of conventional timing chains, giving you...
    ROLCS1040
    SKU:
    ROLCS1040
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    MFG Part #:
    CS1040
    Qty in Cart: 0
    Quantity:
    Price:
    $158.03
    Subtotal:
  • SBC Billet Roller Timing Set w/Shim ROLCS1000

    SBC Billet Roller Timing Set w/Shim CS1000

    ROLLMASTER-ROMAC

    $143.93
    A worn or loose timing chain compromises engine reliability and performance—something no serious builder can afford. The SBC Billet Roller Timing Set with Shim delivers the precision timing control and durability required for high-RPM applications,...
    ROLCS1000
    SKU:
    ROLCS1000
    Availability:
    Ships Same Business Day
    Weight:
    2.90 LBS
    MFG Part #:
    CS1000
    $143.93
    Qty in Cart: 0
    Quantity:
    Price:
    $143.93
    Subtotal:
  • Pump Mnt KSE / KRC Kit Top Mount QTR117603

    Quarter Master Pump Mnt KSE / KRC Kit Top Mount 117603

    QUARTER MASTER

    $256.30
    A quality oil pump mounting solution is critical when running a high-performance dry-sump system—improper mounting can lead to pump misalignment, bearing wear, and catastrophic engine failure. The Quarter Master Pump Mount KSE/KRC Kit delivers a...
    QTR117603
    SKU:
    QTR117603
    Availability:
    Ships Same Business Day
    Weight:
    1.38 LBS
    MFG Part #:
    117603
    $256.30
    Qty in Cart: 0
    Quantity:
    Price:
    $256.30
    Subtotal:
  • Balance Plate New Chevy  QTMRM-530

    Balance Plate New Chevy RM-530

    QUICK TIME

    $41.65
    A properly balanced crankshaft is fundamental to Small Block Chevy reliability and longevity. The RM-530 Balance Plate ensures precise weight distribution, reducing vibration and stress on your engine's rotating assembly—critical whether you're building...
    QTMRM-530
    SKU:
    QTMRM-530
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    MFG Part #:
    RM-530
    $41.65
    Qty in Cart: 0
    Quantity:
    Price:
    $41.65
    Subtotal:
  • 5-1/4in Dia Deep V-Belt Alt Pulley Billet Alum PWM183

    5-1/4in Dia Deep V-Belt Alt Pulley Billet Alum 183

    POWERMASTER

    $57.99
    If you're running a high-output alternator setup, your pulley needs to match the demand. This billet aluminum V-belt pulley is precision-engineered for Powermaster alternators, delivering reliable power transmission without slippage or...
    PWM183
    SKU:
    PWM183
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MFG Part #:
    183
    $57.99
    Qty in Cart: 0
    Quantity:
    Price:
    $57.99
    Subtotal:
  • 4in Dia Deep V-Belt Alt Pulley Billet Aluminum PWM182

    4in Dia Deep V-Belt Alt Pulley Billet Aluminum 182

    POWERMASTER

    $49.99
    A properly sized alternator pulley is critical for maintaining consistent charging output and belt tension throughout your engine's RPM range. This billet aluminum pulley delivers the precision fitment and durability required for high-performance...
    PWM182
    SKU:
    PWM182
    Availability:
    Ships Same Business Day
    Weight:
    0.57 LBS
    MFG Part #:
    182
    $49.99
    Qty in Cart: 0
    Quantity:
    Price:
    $49.99
    Subtotal:
  • Alternator Pulley 2.80in Dia. PWM181

    Alternator Pulley 2.80in Dia. 181

    POWERMASTER

    $33.99
    If you're running a Powermaster alternator setup, pulley diameter directly affects your charging output and belt drive efficiency. A properly sized 2.80-inch pulley ensures optimal belt tension and prevents slippage under high electrical demand, critical...
    PWM181
    SKU:
    PWM181
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MFG Part #:
    181
    $33.99
    Qty in Cart: 0
    Quantity:
    Price:
    $33.99
    Subtotal:
  • Pulley - Water Pump 1V- Belt- Circle Track PWM174

    Pulley - Water Pump 1V- Belt- Circle Track 174

    POWERMASTER

    $69.99
    Your water pump's reliability directly impacts engine cooling performance, and a worn or inadequate pulley compromises both. This single-groove V-belt pulley is engineered for circle track applications where consistent belt tension and precise power...
    PWM174
    SKU:
    PWM174
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    MFG Part #:
    174
    $69.99
    Qty in Cart: 0
    Quantity:
    Price:
    $69.99
    Subtotal:
  • Filter Element For Oil Tank 100 Micron PTR19-5100

    Peterson Fluid Filter Element For Oil Tank 100 Micron 19-5100

    PETERSON FLUID

    $104.99
    Maintaining clean oil is non-negotiable in high-performance racing, where contamination can compromise bearing clearances and reduce engine longevity. The Peterson 100-micron filter element captures particulates that threaten critical engine components...
    PTR19-5100
    SKU:
    PTR19-5100
    Availability:
    Ships Same Business Day
    Weight:
    0.79 LBS
    MFG Part #:
    19-5100
    $104.99
    Qty in Cart: 0
    Quantity:
    Price:
    $104.99
    Subtotal:
  • Oil Pan Adapter LS7 -12an ORB Ports PTR15-5001

    Peterson Fluid Oil Pan Adapter LS7 -12an ORB Ports 15-5001

    PETERSON FLUID

    $149.99
    If you're running an LS7 engine with aftermarket oil cooling or bypass filtration, you need a reliable adapter that won't compromise flow or longevity. The Peterson Fluid Oil Pan Adapter delivers a direct bolt-on solution with billet aluminum...
    PTR15-5001
    SKU:
    PTR15-5001
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    MFG Part #:
    15-5001
    $149.99
    Qty in Cart: 0
    Quantity:
    Price:
    $149.99
    Subtotal:
  • Pump Mounting Bracket Left Side Universal PTR14-3100-999

    Peterson Fluid Pump Mounting Bracket Left Side Universal 14-3100-999

    PETERSON FLUID

    $78.99
    If you're running a dry sump system, mounting your external oil pump correctly is non-negotiable for engine reliability and consistent oil delivery under extreme conditions. This Peterson bracket provides a robust, precision-engineered solution for...
    PTR14-3100-999
    SKU:
    PTR14-3100-999
    Availability:
    Ships Same Business Day
    Weight:
    1.65 LBS
    MFG Part #:
    14-3100-999
    $78.99
    Qty in Cart: 0
    Quantity:
    Price:
    $78.99
    Subtotal:
  • Mounting Bracket 1-3/4in  PTR09-1593

    Peterson Fluid Mounting Bracket 1-3/4in 09-1593

    PETERSON FLUID

    $126.99
    Engine priming is critical during initial startup and after maintenance—this Peterson mounting bracket ensures your priming filter stays securely in place while you establish proper oil pressure. Built from gray anodized aluminum, it's engineered to...
    PTR09-1593
    SKU:
    PTR09-1593
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    MFG Part #:
    09-1593
    $126.99
    Qty in Cart: 0
    Quantity:
    Price:
    $126.99
    Subtotal:
  • Peterson Fluid Mounting Bracket 1-1/2in 09-1592

    Peterson Fluid Mounting Bracket 1-1/2in 09-1592

    PETERSON FLUID

    $137.99
    Engine priming before a race or high-performance drive is critical—and this Peterson mounting bracket ensures your priming filter is securely positioned where you need it. The clamp-on design delivers tool-free installation on 1-1/2in OD tubes, while the...
    PTR09-1592
    SKU:
    PTR09-1592
    Availability:
    Ships Same Business Day
    Weight:
    0.37 LBS
    MFG Part #:
    09-1592
    $137.99
    Qty in Cart: 0
    Quantity:
    Price:
    $137.99
    Subtotal:
  • Mounting Bracket 1-1/4in  PTR09-1590

    Peterson Fluid Mounting Bracket 1-1/4in 09-1590

    PETERSON FLUID

    $108.99
    Engine priming is critical during startup, especially in high-performance and racing applications where oil starvation can cause catastrophic bearing damage. The Peterson Fluid Mounting Bracket provides a secure, vibration-resistant platform for your...
    PTR09-1590
    SKU:
    PTR09-1590
    Availability:
    Ships Same Business Day
    Weight:
    0.43 LBS
    MFG Part #:
    09-1590
    $108.99
    Qty in Cart: 0
    Quantity:
    Price:
    $108.99
    Subtotal:
  • Mounting Bracket Flat Mount Small Filter PTR09-1584

    Peterson Fluid Mounting Bracket Flat Mount Small Filter 09-1584

    PETERSON FLUID

    $62.99
    Engine priming is critical before startup, and a properly mounted filter system ensures oil reaches vital components instantly—preventing costly dry-start wear. This Peterson flat-mount bracket provides a secure, space-efficient installation for...
    PTR09-1584
    SKU:
    PTR09-1584
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MFG Part #:
    09-1584
    $62.99
    Qty in Cart: 0
    Quantity:
    Price:
    $62.99
    Subtotal:
  • Engine Primer Oil Filter Mount 12an PTR09-1561

    Peterson Fluid Engine Primer Oil Filter Mount 12an 09-1561

    PETERSON FLUID

    $677.99
    A reliable oil primer is essential for engine break-in, storage recovery, and ensuring proper lubrication before startup—especially critical in high-performance and race applications where oil starvation can cause catastrophic damage. Peterson's Fluid...
    PTR09-1561
    SKU:
    PTR09-1561
    Availability:
    Ships Same Business Day
    Weight:
    2.45 LBS
    MFG Part #:
    09-1561
    $677.99
    Qty in Cart: 0
    Quantity:
    Price:
    $677.99
    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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