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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
  • Billet Alum. Stud Girdle Kit - SBC PQX1535001

    Billet Alum. Stud Girdle Kit - SBC 1535001

    PRW INDUSTRIES, INC.

    $190.92
    Rocker Arm Stud GirdleSpring Loaded7/16-20 in Thread StudsAluminumBlue AnodizedSmall Block ChevyKit
    PQX1535001
    SKU:
    PQX1535001
    Availability:
    Ships Same Business Day
    Weight:
    6.16 LBS
    $190.92
    Qty in Cart: 0
    Quantity:
    Price:
    $190.92
    Subtotal:
  • Billet Alum. Stud Girdle Kit - SBC PQX1535000

    Billet Alum. Stud Girdle Kit - SBC 1535000

    PRW INDUSTRIES, INC.

    $190.92
    Rocker Arm Stud GirdleSpring Loaded3/8-24 in Thread StudsAluminumBlue AnodizedSmall Block ChevyKit
    PQX1535000
    SKU:
    PQX1535000
    Availability:
    Ships Same Business Day
    Weight:
    6.19 LBS
    $190.92
    Qty in Cart: 0
    Quantity:
    Price:
    $190.92
    Subtotal:
  • Billet Alum. Stud Girdle Kit - SBF PQX1530201

    Billet Alum. Stud Girdle Kit - SBF 1530201

    PRW INDUSTRIES, INC.

    $190.92
    Rocker Arm Stud GirdleSolid Bar7/16-20 in Thread StudsAluminumBlue AnodizedSmall Block FordKit
    PQX1530201
    SKU:
    PQX1530201
    Availability:
    Ships Same Business Day
    Weight:
    5.75 LBS
    $190.92
    Qty in Cart: 0
    Quantity:
    Price:
    $190.92
    Subtotal:
  • Billet Alum. Stud Girdle Kit - SBF PQX1530200

    Billet Alum. Stud Girdle Kit - SBF 1530200

    PRW INDUSTRIES, INC.

    $190.92
    Rocker Arm Stud GirdleSolid Bar3/8-24 in Thread StudsAluminumBlue AnodizedSmall Block FordKit
    PQX1530200
    SKU:
    PQX1530200
    Availability:
    Ships Same Business Day
    Weight:
    5.72 LBS
    $190.92
    Qty in Cart: 0
    Quantity:
    Price:
    $190.92
    Subtotal:
  • Chevy LS Freeze Plug Kit Brass PIOPE-496-B

    Chevy LS Freeze Plug Kit Brass PE-496-B

    PIONEER

    $22.49
    Freeze PlugComplete EngineBrassNaturalGM LS-SeriesKit
    PIOPE-496-B
    SKU:
    PIOPE-496-B
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $22.49
    Subtotal:
  • Chevy LS Freeze Plug Kit  PIOPE-496

    Chevy LS Freeze Plug Kit PE-496

    PIONEER

    $19.99
    Freeze PlugComplete EngineSteelZinc OxideGM LS-SeriesKit
    PIOPE-496
    SKU:
    PIOPE-496
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    $19.99
    Qty in Cart: 0
    Quantity:
    Price:
    $19.99
    Subtotal:
  • 1.250 Pacaloy Valve Spring Retainers Mini 8 PACPAC-R632

    1.250 Pacaloy Valve Spring Retainers Mini 8 PAC-R632

    PAC RACING SPRINGS

    $26.59
    Valve Spring Retainer600 SeriesMini 8 Degree0.890 in / 0.600 in OD StepsDual SpringSteelSet of 16
    PACPAC-R632
    SKU:
    PACPAC-R632
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    $26.59
    Qty in Cart: 0
    Quantity:
    Price:
    $26.59
    Subtotal:
  • Shim Kit - 1.250 Dia.  PACPAC-KS93

    Shim Kit - 1.250 Dia. PAC-KS93

    PAC RACING SPRINGS

    $147.04
    Valve Spring Shim0.015 / 0.020 / 0.030 / 0.050 in Thick1.250 in OD0.575 in IDSteelKit
    PACPAC-KS93
    SKU:
    PACPAC-KS93
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    $147.04
    Qty in Cart: 0
    Quantity:
    Price:
    $147.04
    Subtotal:
  • SBC Billet Connecting Rod Set 6.000 OLVC6000STSW8

    SBC Billet Connecting Rod Set 6.000 C6000STSW8

    OLIVER RODS

    $1,599.97
    Connecting RodSpeedwayI Beam6.000 in LongBushed7/16 in Cap ScrewsForged SteelSmall Block ChevySet of 8
    OLVC6000STSW8
    SKU:
    OLVC6000STSW8
    Availability:
    Ships Same Business Day
    Weight:
    13.90 LBS
    $1,599.97
    Qty in Cart: 0
    Quantity:
    Price:
    $1,599.97
    Subtotal:
  • Breather Tank w/2 #10an Male MOR85468

    Moroso Breather Tank w/2 #10an Male 85468

    MOROSO

    $162.99
    Breather Tank3-1/8 in Diameter x 11-1/2 in TallTwo 10 AN Male InletsPetcock DrainT-Bolt Mounting ClampBreather IncludedAluminumNaturalEach
    MOR85468
    SKU:
    MOR85468
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    $162.99
    Qty in Cart: 0
    Quantity:
    Price:
    $162.99
    Subtotal:
  • Alm. Breather Tank Kit 3-1/8 Dia x 11-1/2 AOL MOR85455

    Moroso Alm. Breather Tank Kit 3-1/8 Dia x 11-1/2 AOL 85455

    MOROSO

    $160.99
    Breather Tank3-1/8 in Diameter x 11-1/2 in TallTwo 1/2 in NPT Female InletsPetcock DrainT-Bolt Mounting ClampBreather IncludedAluminumNaturalEach
    MOR85455
    SKU:
    MOR85455
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    $160.99
    Qty in Cart: 0
    Quantity:
    Price:
    $160.99
    Subtotal:
  • Oil Pump Pick-Up GM LS w/Reinforced Flange MOR24890

    Moroso Oil Pump Pick-Up GM LS w/Reinforced Flange 24890

    MOROSO

    $38.99
    Oil Pump Flange ReinforcementHardware IncludedGM LS-SeriesEach
    MOR24890
    SKU:
    MOR24890
    Availability:
    Ships Same Business Day
    Weight:
    0.53 LBS
    $38.99
    Qty in Cart: 0
    Quantity:
    Price:
    $38.99
    Subtotal:
  • External Oil Pump Pick- Up for Alm Wet Sump Pans MOR24866

    Moroso External Oil Pump Pick- Up for Alm Wet Sump Pans 24866

    MOROSO

    $132.99
    Oil Pump External Pickup16 ANBillet AluminumNaturalMoroso Aluminum Oil PansKit
    MOR24866
    SKU:
    MOR24866
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    $132.99
    Qty in Cart: 0
    Quantity:
    Price:
    $132.99
    Subtotal:
  • External Oil Pump Pick- Up for Alm Wet Sump Pans MOR24865

    Moroso External Oil Pump Pick- Up for Alm Wet Sump Pans 24865

    MOROSO

    $132.99
    Oil Pump External Pickup12 ANBillet AluminumNaturalMoroso Aluminum Oil PansKit
    MOR24865
    SKU:
    MOR24865
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $132.99
    Qty in Cart: 0
    Quantity:
    Price:
    $132.99
    Subtotal:
  • Oil Pump Pick-Up GM LS Front Sump MOR24052

    Moroso Oil Pump Pick-Up GM LS Front Sump 24052

    MOROSO

    $138.99
    Oil Pump PickupRoad Race / Street / StripBolt-On6 in Deep PanGM LS-SeriesEach
    MOR24052
    SKU:
    MOR24052
    Availability:
    Ships Same Business Day
    Weight:
    1.08 LBS
    $138.99
    Qty in Cart: 0
    Quantity:
    Price:
    $138.99
    Subtotal:
  • Oil Filter Adapter Spin On GM LS Engines MOR23712

    Moroso Oil Filter Adapter Spin On GM LS Engines 23712

    MOROSO

    $103.99
    Oil Filter AdapterSpin On Filter22 mm x 1.50 Center Thread1/4 in NPT Female PortHardware / O-Rings IncludedAluminumClear AnodizedGM LS-SeriesEach
    MOR23712
    SKU:
    MOR23712
    Availability:
    Ships Same Business Day
    Weight:
    0.97 LBS
    $103.99
    Qty in Cart: 0
    Quantity:
    Price:
    $103.99
    Subtotal:
  • Windage Tray GM LS w/ARP Main Cap Studs MOR22943

    Moroso Windage Tray GM LS w/ARP Main Cap Studs 22943

    MOROSO

    $113.99
    Windage TrayLouveredSteelNaturalMoroso Rear Sump PansGM LS-SeriesEach
    MOR22943
    SKU:
    MOR22943
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    $113.99
    Qty in Cart: 0
    Quantity:
    Price:
    $113.99
    Subtotal:
  • Racing Oil Filter  MOR22463

    Moroso Racing Oil Filter 22463

    MOROSO

    $29.99
    Oil FilterCanisterScrew-On3-1/2 in Tall22 mm x 1.50 ThreadSteelWhiteFord Modular / GM LS-SeriesEach
    MOR22463
    SKU:
    MOR22463
    Availability:
    Ships Same Business Day
    Weight:
    0.64 LBS
    $29.99
    Qty in Cart: 0
    Quantity:
    Price:
    $29.99
    Subtotal:
  • GM LS1 High Volume Oil Pump MOR22120

    Moroso GM LS1 High Volume Oil Pump 22120

    MOROSO

    $347.99
    Oil PumpWet SumpInternalHeavy DutyHigh VolumeGM LS-SeriesEach
    MOR22120
    SKU:
    MOR22120
    Availability:
    Ships Same Business Day
    Weight:
    2.73 LBS
    $347.99
    Qty in Cart: 0
    Quantity:
    Price:
    $347.99
    Subtotal:
  • 7qt Oil Pan - GM LS Drag Race/COPO Camaro 16-Up MOR21157

    Moroso 7qt Oil Pan - GM LS Drag Race/COPO Camaro 16-Up 21157

    MOROSO

    $981.99
    Engine Oil PanDrag RaceWet Sump7 qt Capacity7-5/8 in DeepAluminumNaturalGM LS-SeriesCOPOChevy Camaro 2016-18Each
    MOR21157
    SKU:
    MOR21157
    Availability:
    Ships Same Business Day
    Weight:
    12.50 LBS
    $981.99
    Qty in Cart: 0
    Quantity:
    Price:
    $981.99
    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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