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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
  • SBF Hi-Volume Oil Pump  MEL10688

    SBF Hi-Volume Oil Pump 10688

    MELLING

    $108.99
    SBF Hi-Volume Oil Pump Designed for high-performance applications Wet sump configuration for optimal oil circulation Internal design enhances durability and efficiency High volume output ensures reliable lubrication Includes drive shaft for easy...
    MEL10688
    SKU:
    MEL10688
    Availability:
    Ships Same Business Day
    Weight:
    4.87 LBS
    MFG Part #:
    10688
    $108.99
    Qty in Cart: 0
    Quantity:
    Price:
    $108.99
    Subtotal:
  • SBF 302 Std-Volume Oil Pump MEL10687

    SBF 302 Std-Volume Oil Pump 10687

    MELLING

    $99.99
    SBF 302 Std-Volume Oil PumpOil PumpWet SumpInternalStandard VolumeSmall Block FordEach
    MEL10687
    SKU:
    MEL10687
    Availability:
    Ships Same Business Day
    Weight:
    4.47 LBS
    MFG Part #:
    10687
    $99.99
    Qty in Cart: 0
    Quantity:
    Price:
    $99.99
    Subtotal:
  • SBC Billet Aluminun Oil Pump  C/T MEL10055ST-700CT

    SBC Billet Aluminun Oil Pump C/T 10055ST-700CT

    MELLING

    $585.99
    SBC Billet Aluminun Oil Pump C/TOil PumpSharkWet SumpInternalStandard VolumeHigh PressurePickup Included7 in Deep PanBillet AluminumSmall Block ChevyKit
    MEL10055ST-700CT
    SKU:
    MEL10055ST-700CT
    Availability:
    Ships Same Business Day
    Weight:
    5.44 LBS
    MFG Part #:
    10055ST-700CT
    Qty in Cart: 0
    Quantity:
    Price:
    $585.99
    Subtotal:
  • SBC Billet Aluminun Oil Pump C/T MEL10050ST-700CT

    SBC Billet Aluminun Oil Pump C/T 10050ST-700CT

    MELLING

    $584.99
    SBC Billet Aluminun Oil Pump C/TOil PumpSharkWet SumpInternalHigh VolumeHigh PressurePickup Included7 in Deep PanBillet AluminumSmall Block ChevyKit
    MEL10050ST-700CT
    SKU:
    MEL10050ST-700CT
    Availability:
    Ships Same Business Day
    Weight:
    5.23 LBS
    MFG Part #:
    10050ST-700CT
    $584.99
    Qty in Cart: 0
    Quantity:
    Price:
    $584.99
    Subtotal:
  • SBC Replacement Timing Chain MAN76161

    Manley SBC Replacement Timing Chain 76161

    MANLEY

    $35.81
    SBC Replacement Timing ChainTiming ChainDouble Roller1/4 in RollersSmall Block ChevyEach
    MAN76161
    SKU:
    MAN76161
    Availability:
    Ships Same Business Day
    Weight:
    0.97 LBS
    MFG Part #:
    76161
    $35.81
    Qty in Cart: 0
    Quantity:
    Price:
    $35.81
    Subtotal:
  • SBC Timing Kit  MAN73181

    Manley SBC Timing Kit 73181

    MANLEY

    $109.05
    SBC Timing Kit Timing Chain SetDouble RollerSteelSmall Block ChevyKit
    MAN73181
    SKU:
    MAN73181
    Availability:
    Ships Same Business Day
    Weight:
    3.20 LBS
    MFG Part #:
    73181
    $109.05
    Qty in Cart: 0
    Quantity:
    Price:
    $109.05
    Subtotal:
  • SBC Timing Kit - 55-78  MAN73141

    Manley SBC Timing Kit - 55-78 73141

    MANLEY

    $127.38
    SBC Timing Kit - 55-78 Timing Chain SetDouble RollerSteelSmall Block ChevyKit
    MAN73141
    SKU:
    MAN73141
    Availability:
    Ships Same Business Day
    Weight:
    3.41 LBS
    MFG Part #:
    73141
    $127.38
    Qty in Cart: 0
    Quantity:
    Price:
    $127.38
    Subtotal:
  • 5/16 SBC Guide Plate  MAN42355-8

    Manley 5/16 SBC Guide Plate 42355-8

    MANLEY

    $25.72
    5/16 SBC Guide Plate Pushrod Guide Plate5/16 in PushrodFlatSteelBlack OxideSmall Block ChevySet of 8
    MAN42355-8
    SKU:
    MAN42355-8
    Availability:
    Ships Same Business Day
    Weight:
    0.86 LBS
    MFG Part #:
    42355-8
    $25.72
    Qty in Cart: 0
    Quantity:
    Price:
    $25.72
    Subtotal:
  • 11/32in Valve Tip Wear Caps MAN42301-8

    Manley 11/32in Valve Tip Wear Caps 42301-8

    MANLEY

    $23.78
    11/32in Valve Tip Wear CapsValve Lash Cap0.080 in Thick11/32 in Valve StemsMinimum 0.250 in TipNon-RotatingSteelNaturalSet of 8
    MAN42301-8
    SKU:
    MAN42301-8
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    42301-8
    $23.78
    Qty in Cart: 0
    Quantity:
    Price:
    $23.78
    Subtotal:
  • 5/16in SBC Guide Plate  MAN42151-8

    Manley 5/16in SBC Guide Plate 42151-8

    MANLEY

    $31.35
    5/16in SBC Guide Plate Pushrod Guide Plate5/16 in PushrodRaisedSteelBlack OxideSmall Block ChevySet of 8
    MAN42151-8
    SKU:
    MAN42151-8
    Availability:
    Ships Same Business Day
    Weight:
    1.07 LBS
    MFG Part #:
    42151-8
    $31.35
    Qty in Cart: 0
    Quantity:
    Price:
    $31.35
    Subtotal:
  • Cam Locking Plate  MAN42114

    Manley Cam Locking Plate 42114

    MANLEY

    $3.16
    Cam Locking Plate Camshaft Locking PlateBolts IncludedSteelChevy V6 / V8Kit
    MAN42114
    SKU:
    MAN42114
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    MFG Part #:
    42114
    $3.16
    Qty in Cart: 0
    Quantity:
    Price:
    $3.16
    Subtotal:
  • Chevy Thrust Button .690in Short MAN42113

    Manley Chevy Thrust Button .690in Short 42113

    MANLEY

    $13.31
    Chevy Thrust Button .690in ShortCamshaft Thrust Button0.690 in LongRollerSteelSmall Block ChevyEach
    MAN42113
    SKU:
    MAN42113
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MFG Part #:
    42113
    $13.31
    Qty in Cart: 0
    Quantity:
    Price:
    $13.31
    Subtotal:
  • Chevy Thrust Button  MAN42111

    Manley Chevy Thrust Button 42111

    MANLEY

    $13.31
    Chevy Thrust Button Camshaft Thrust Button0.850 in LongRollerSteelSmall Block ChevyEach
    MAN42111
    SKU:
    MAN42111
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    MFG Part #:
    42111
    $13.31
    Qty in Cart: 0
    Quantity:
    Price:
    $13.31
    Subtotal:
  • 11/32in Lash Caps  MAN42104-16

    Manley 11/32in Lash Caps 42104-16

    MANLEY

    $47.54
    11/32in Lash Caps Valve Lash Cap0.080 in Thick11/32 in Valve StemsMinimum 0.250 in TipSteelNaturalSet of 16
    MAN42104-16
    SKU:
    MAN42104-16
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    MFG Part #:
    42104-16
    $47.54
    Qty in Cart: 0
    Quantity:
    Price:
    $47.54
    Subtotal:
  • 3/8in Moly Pushrods - 9.000in Long MAN25900-8

    Manley 3/8in Moly Pushrods - 9.000in Long 25900-8

    MANLEY

    $111.71
    3/8in Moly Pushrods - 9.000in LongPushrod9.000 in Long3/8 in Diameter0.080 in Thick WallSwedged EndsChromolySet of 8
    MAN25900-8
    SKU:
    MAN25900-8
    Availability:
    Ships Same Business Day
    Weight:
    1.68 LBS
    MFG Part #:
    25900-8
    $111.71
    Qty in Cart: 0
    Quantity:
    Price:
    $111.71
    Subtotal:
  • 3/8in Moly Pushrods - 8.950in Long MAN25895-8

    Manley 3/8in Moly Pushrods - 8.950in Long 25895-8

    MANLEY

    $111.71
    3/8in Moly Pushrods - 8.950in LongPushrod8.950 in Long3/8 in Diameter0.080 in Thick WallSwedged EndsChromolySet of 8
    MAN25895-8
    SKU:
    MAN25895-8
    Availability:
    Ships Same Business Day
    Weight:
    1.62 LBS
    MFG Part #:
    25895-8
    $111.71
    Qty in Cart: 0
    Quantity:
    Price:
    $111.71
    Subtotal:
  • 3/8in Moly Pushrods - 8.850in Long MAN25885-8

    Manley 3/8in Moly Pushrods - 8.850in Long 25885-8

    MANLEY

    $111.71
    3/8in Moly Pushrods - 8.850in LongPushrod8.850 in Long3/8 in Diameter0.080 in Thick WallSwedged EndsChromolySet of 8
    MAN25885-8
    SKU:
    MAN25885-8
    Availability:
    Ships Same Business Day
    Weight:
    1.61 LBS
    MFG Part #:
    25885-8
    $111.71
    Qty in Cart: 0
    Quantity:
    Price:
    $111.71
    Subtotal:
  • 3/8in Moly Pushrods - 8.800in Long MAN25880-8

    Manley 3/8in Moly Pushrods - 8.800in Long 25880-8

    MANLEY

    $111.71
    3/8in Moly Pushrods - 8.800in LongPushrod8.800 in Long3/8 in Diameter0.080 in Thick WallSwedged EndsChromolySet of 8
    MAN25880-8
    SKU:
    MAN25880-8
    Availability:
    Ships Same Business Day
    Weight:
    1.67 LBS
    MFG Part #:
    25880-8
    Qty in Cart: 0
    Quantity:
    Price:
    $111.71
    Subtotal:
  • 3/8in Moly Pushrods - 7.850in Long MAN25878-8

    Manley 3/8in Moly Pushrods - 7.850in Long 25878-8

    MANLEY

    $111.71
    3/8in Moly Pushrods - 7.850in LongPushrod7.850 in Long3/8 in Diameter0.080 in Thick WallSwedged EndsChromolySet of 8
    MAN25878-8
    SKU:
    MAN25878-8
    Availability:
    Ships Same Business Day
    Weight:
    1.50 LBS
    MFG Part #:
    25878-8
    $111.71
    Qty in Cart: 0
    Quantity:
    Price:
    $111.71
    Subtotal:
  • 3/8in Moly Pushrods - 8.750in Long MAN25875-8

    Manley 3/8in Moly Pushrods - 8.750in Long 25875-8

    MANLEY

    $111.71
    3/8in Moly Pushrods - 8.750in LongPushrod8.750 in Long3/8 in Diameter0.080 in Thick WallSwedged EndsChromolySet of 8
    MAN25875-8
    SKU:
    MAN25875-8
    Availability:
    Ships Same Business Day
    Weight:
    1.64 LBS
    MFG Part #:
    25875-8
    $111.71
    Qty in Cart: 0
    Quantity:
    Price:
    $111.71
    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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