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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
  • SBC Shaft Rocker Arm Kit - 1.6/1.5 Ratio TDM2144-160/150

    SBC Shaft Rocker Arm Kit - 1.6/1.5 Ratio 2144-160/150

    T AND D MACHINE

    $2,199.99
    Rocker ArmShaft Mount1.60 / 1.50 RatioFull RollerAluminumNaturalAluminum Dart Sportsman 2 / Pro 1Small Block ChevyKit
    TDM2144-160/150
    SKU:
    TDM2144-160/150
    Availability:
    Ships Same Business Day
    Weight:
    16.35 LBS
    MFG Part #:
    2144-160/150
    $2,199.99
    Qty in Cart: 0
    Quantity:
    Price:
    $2,199.99
    Subtotal:
  • SBF Sport Comp Shaft R/A Kit 1.60/1.60 Ratio TDM10020-160/160

    SBF Sport Comp Shaft R/A Kit 1.60/1.60 Ratio 10020-160/160

    T AND D MACHINE

    $1,437.99
    Rocker ArmSportCompShaft Mount1.60 RatioFull RollerAluminumNaturalSmall Block FordKit
    TDM10020-160/160
    SKU:
    TDM10020-160/160
    Availability:
    Ships Same Business Day
    Weight:
    16.01 LBS
    MFG Part #:
    10020-160/160
    $1,437.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,437.99
    Subtotal:
  • SBC 220 Sport Comp Shaft R/A Kit 1.60/1.60 Ratio TDM10001-160/160

    SBC 220 Sport Comp Shaft R/A Kit 1.60/1.60 Ratio 10001-160/160

    T AND D MACHINE

    $1,439.99
    Rocker ArmSportCompShaft Mount1.60 Ratio0.220 in OffsetFull RollerAluminumNaturalSmall Block ChevyKit
    TDM10001-160/160
    SKU:
    TDM10001-160/160
    Availability:
    Ships Same Business Day
    Weight:
    16.40 LBS
    MFG Part #:
    10001-160/160
    $1,439.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,439.99
    Subtotal:
  • SBC 220 Sport Comp Shaft R/A Kit 1.60/1.50 Ratio TDM10001-160/150

    SBC 220 Sport Comp Shaft R/A Kit 1.60/1.50 Ratio 10001-160/150

    T AND D MACHINE

    $1,419.99
    Rocker ArmSportCompShaft Mount1.60 / 1.50 Ratio0.220 in OffsetFull RollerAluminumNaturalSmall Block ChevyKit
    TDM10001-160/150
    SKU:
    TDM10001-160/150
    Availability:
    Ships Same Business Day
    Weight:
    16.40 LBS
    MFG Part #:
    10001-160/150
    $1,419.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,419.99
    Subtotal:
  • SBC 220 Sport Comp Shaft R/A Kit 1.50/1.50 Ratio TDM10001-150/150

    SBC 220 Sport Comp Shaft R/A Kit 1.50/1.50 Ratio 10001-150/150

    T AND D MACHINE

    $1,419.99
    Rocker ArmSportCompShaft Mount1.50 Ratio0.220 in OffsetFull RollerAluminumNaturalSmall Block ChevyKit
    TDM10001-150/150
    SKU:
    TDM10001-150/150
    Availability:
    Ships Same Business Day
    Weight:
    16.40 LBS
    MFG Part #:
    10001-150/150
    $1,419.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,419.99
    Subtotal:
  • SBC Sport Comp Shaft R/A Kit 1.60/1.60 Ratio TDM10000-160/160

    SBC Sport Comp Shaft R/A Kit 1.60/1.60 Ratio 10000-160/160

    T AND D MACHINE

    $1,405.99
    Rocker ArmSportCompShaft Mount1.60 RatioFull RollerAluminumNaturalSmall Block ChevyKit
    TDM10000-160/160
    SKU:
    TDM10000-160/160
    Availability:
    Ships Same Business Day
    Weight:
    16.28 LBS
    MFG Part #:
    10000-160/160
    $1,405.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,405.99
    Subtotal:
  • SBC Sport Comp Shaft R/A Kit 1.60/1.50 Ratio TDM10000-160/150

    SBC Sport Comp Shaft R/A Kit 1.60/1.50 Ratio 10000-160/150

    T AND D MACHINE

    $1,405.99
    Rocker ArmSportCompShaft Mount1.60 / 1.50 RatioFull RollerAluminumNaturalSmall Block ChevyKit
    TDM10000-160/150
    SKU:
    TDM10000-160/150
    Availability:
    Ships Same Business Day
    Weight:
    16.38 LBS
    MFG Part #:
    10000-160/150
    $1,405.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,405.99
    Subtotal:
  • SBC Sport Comp Shaft R/A Kit 1.50/1.50 Ratio TDM10000-150/150

    SBC Sport Comp Shaft R/A Kit 1.50/1.50 Ratio 10000-150/150

    T AND D MACHINE

    $1,419.99
    Rocker ArmSportCompShaft Mount1.50 RatioFull RollerAluminumNaturalSmall Block ChevyKit
    TDM10000-150/150
    SKU:
    TDM10000-150/150
    Availability:
    Ships Same Business Day
    Weight:
    16.31 LBS
    MFG Part #:
    10000-150/150
    $1,419.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,419.99
    Subtotal:
  • SBC Stand Shim Kit .030/.060 TDM05400

    SBC Stand Shim Kit .030/.060 5400

    T AND D MACHINE

    $32.99
    Rocker Arm Stand ShimEight 0.060 / Eight 0.030 in thickSteelT&D Machine Small Block Chevy / Ford RockersKit
    TDM05400
    SKU:
    TDM05400
    Availability:
    Ships Same Business Day
    Weight:
    0.42 LBS
    MFG Part #:
    5400
    $32.99
    Qty in Cart: 0
    Quantity:
    Price:
    $32.99
    Subtotal:
  • SBC/SBF Stand Shim - .060 TDM05350

    SBC/SBF Stand Shim - .060 5350

    T AND D MACHINE

    $1.99
    Rocker Arm Stand Shim0.060 in thickSteelT&D Machine Small Block Chevy / Ford RockersEach
    TDM05350
    SKU:
    TDM05350
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    5350
    $1.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1.99
    Subtotal:
  • Adjuster - 5/16 Dia. Cup - 7/16-20 Thread TDM03150

    Adjuster - 5/16 Dia. Cup - 7/16-20 Thread 3150

    T AND D MACHINE

    $16.99
    Rocker Arm Adjuster7/16-20 in Thread5/16 in Cup1.130 in LongShoulderSteelEach
    TDM03150
    SKU:
    TDM03150
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    3150
    Qty in Cart: 0
    Quantity:
    Price:
    $16.99
    Subtotal:
  • Bellhousing Dowel Pins 2in Long (2 pc) TCI930055

    Bellhousing Dowel Pins 2in Long (2 pc) 930055

    TCI

    $31.95
    Bellhousing Dowel Pin2 in Long0.625 in DiameterGMPair
    TCI930055
    SKU:
    TCI930055
    Availability:
    Ships Same Business Day
    Weight:
    0.33 LBS
    MFG Part #:
    930055
    $31.95
    Qty in Cart: 0
    Quantity:
    Price:
    $31.95
    Subtotal:
  • BBC Cast Oil Pump - Pre-Set @ 80lbs. Warm SYS234-900773-2

    BBC Cast Oil Pump - Pre-Set @ 80lbs. Warm 234-900773-2

    SYSTEM ONE

    $262.00
    Oil PumpWet SumpInternalHigh VolumeAdjustable PressureBig Block ChevyEach
    SYS234-900773-2
    SKU:
    SYS234-900773-2
    Availability:
    Ships Same Business Day
    Weight:
    4.29 LBS
    MFG Part #:
    234-900773-2
    $262.00
    Qty in Cart: 0
    Quantity:
    Price:
    $262.00
    Subtotal:
  • Remote Filter Mount #12 w/Flat Mnt Surface Black SYS221-90004-12B

    Remote Filter Mount #12 w/Flat Mnt Surface Black 221-90004-12B

    SYSTEM ONE

    $202.00
    Remote Oil Filter MountSingle Filter1-12 in Thread12 AN Male Inlet12 AN Male OutletBolt-On2-Bolt Flat MountAluminumBlack AnodizedEach
    SYS221-90004-12B
    SKU:
    SYS221-90004-12B
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    MFG Part #:
    221-90004-12B
    $202.00
    Qty in Cart: 0
    Quantity:
    Price:
    $202.00
    Subtotal:
  • Billet HP6 Style Oil Filter 45 Micron SYS210-005

    Billet HP6 Style Oil Filter 45 Micron 210-005

    SYSTEM ONE

    $286.00
    Oil FilterHP6CanisterScrew-On5-1/4 in Tall1-1/2-12 in ThreadReplaceable ElementAluminumBlack AnodizedUniversalEach
    SYS210-005
    SKU:
    SYS210-005
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    MFG Part #:
    210-005
    $286.00
    Qty in Cart: 0
    Quantity:
    Price:
    $286.00
    Subtotal:
  • Aluminum Pulley  SWE501-30024

    Sweet Aluminum Pulley 501-30024

    SWEET

    $55.99
    Power Steering PulleyV-Belt1 GrooveSweet Rear End Yoke MountEach
    SWE501-30024
    SKU:
    SWE501-30024
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    MFG Part #:
    501-30024
    $55.99
    Qty in Cart: 0
    Quantity:
    Price:
    $55.99
    Subtotal:
  • Pulley HTD 33 Tooth w/ Belt Guides SWE301-30043

    Sweet Pulley HTD 33 Tooth w/ Belt Guides 301-30043

    SWEET

    $133.99
    Power Steering PulleyHTD33-ToothPress-OnBelt GuidesAluminumBlack AnodizedEach
    SWE301-30043
    SKU:
    SWE301-30043
    Availability:
    Ships Same Business Day
    Weight:
    0.59 LBS
    MFG Part #:
    301-30043
    $133.99
    Qty in Cart: 0
    Quantity:
    Price:
    $133.99
    Subtotal:
  • Aluminum Sweet Pulley  SWE301-30020

    Sweet Aluminum Sweet Pulley 301-30020

    SWEET

    $48.99
    Power Steering PulleyV-Belt1 Groove6.000 in DiameterAluminumBlack AnodizedSweet Type 2 PS PumpEach
    SWE301-30020
    SKU:
    SWE301-30020
    Availability:
    Ships Same Business Day
    Weight:
    0.62 LBS
    MFG Part #:
    301-30020
    $48.99
    Qty in Cart: 0
    Quantity:
    Price:
    $48.99
    Subtotal:
  • SBC Pro-Series Piston Set 602 Crate 4.005 Bore SRP324858

    SBC Pro-Series Piston Set 602 Crate 4.005 Bore 324858

    SPORTSMAN RACING PRODUCTS

    $849.99
    Piston and RingGM Performance 4 Valve Dish4.005 in Bore1.2 mm x 1.5 mm x 3.0 mm Ring GroovesMinus 10.0 ccSmall Block ChevyKit
    SRP324858
    SKU:
    SRP324858
    Availability:
    Ships Same Business Day
    Weight:
    13.15 LBS
    MFG Part #:
    324858
    $849.99
    Qty in Cart: 0
    Quantity:
    Price:
    $849.99
    Subtotal:
  • SBC Dome Pro-Series Piston & Ring Set 4.125 SRP310182

    SBC Dome Pro-Series Piston & Ring Set 4.125 310182

    SPORTSMAN RACING PRODUCTS

    $874.99
    Piston and RingProfessional SeriesForged4.125 in Bore1.2 x 1.5 x 3.0 mm Ring GroovePlus 4.0 ccSmall Block ChevyKit
    SRP310182
    SKU:
    SRP310182
    Availability:
    Ships Same Business Day
    Weight:
    14.00 LBS
    MFG Part #:
    310182
    $874.99
    Qty in Cart: 0
    Quantity:
    Price:
    $874.99
    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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