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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
  • Roller Lifters - SBC Offset CRO66292X874-16

    Roller Lifters - SBC Offset 66292X874-16

    CROWER

    $844.99
    Roller Lifters - SBC OffsetLifterSevere Duty CutawayMechanical Roller0.874 in OD0.150 in OffsetLink BarSmall Block ChevySet of 16
    CRO66292X874-16
    SKU:
    CRO66292X874-16
    Availability:
    Ships Same Business Day
    Weight:
    4.73 LBS
    MFG Part #:
    66292X874-16
    $844.99
    Qty in Cart: 0
    Quantity:
    Price:
    $844.99
    Subtotal:
  • Roller Lifters E/M - SBC w/Offset Intake CRO66292X842E-16

    Roller Lifters E/M - SBC w/Offset Intake 66292X842E-16

    CROWER

    $1,334.99
    Roller Lifters E/M - SBC w/Offset IntakeLifterEnduraMaxMechanical Roller0.842 in OD0.150 in OffsetLink BarHIPPOSmall Block ChevySet of 16
    CRO66292X842E-16
    SKU:
    CRO66292X842E-16
    Availability:
    Ships Same Business Day
    Weight:
    4.60 LBS
    MFG Part #:
    66292X842E-16
    $1,334.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,334.99
    Subtotal:
  • Roller Lifters - SBC Offset w/Pin Oiling CRO66292H-16

    Roller Lifters - SBC Offset w/Pin Oiling 66292H-16

    CROWER

    $1,153.99
    Roller Lifters - SBC Offset w/Pin OilingLifterSevere Duty CutawayMechanical Roller0.842 in OD0.150 in OffsetLink BarHIPPOSmall Block ChevySet of 16
    CRO66292H-16
    SKU:
    CRO66292H-16
    Availability:
    Ships Same Business Day
    Weight:
    4.52 LBS
    MFG Part #:
    66292H-16
    $1,153.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,153.99
    Subtotal:
  • Roller Lifters - SBC Offset CRO66292-16

    Roller Lifters - SBC Offset 66292-16

    CROWER

    $921.99
    Roller Lifters - SBC OffsetLifterSevere Duty CutawayMechanical Roller0.842 in OD0.150 in OffsetLink BarSmall Block ChevySet of 16
    CRO66292-16
    SKU:
    CRO66292-16
    Availability:
    Ships Same Business Day
    Weight:
    4.50 LBS
    MFG Part #:
    66292-16
    $921.99
    Qty in Cart: 0
    Quantity:
    Price:
    $921.99
    Subtotal:
  • Roller Lifters - SBC Severe Duty CRO66290X903H-16

    Roller Lifters - SBC Severe Duty 66290X903H-16

    CROWER

    $945.99
    Roller Lifters - SBC Severe DutyLifterSevere Duty CutawayMechanical Roller0.903 in ODLink BarHIPPOSmall Block ChevySet of 16
    CRO66290X903H-16
    SKU:
    CRO66290X903H-16
    Availability:
    Ships Same Business Day
    Weight:
    5.20 LBS
    MFG Part #:
    66290X903H-16
    $945.99
    Qty in Cart: 0
    Quantity:
    Price:
    $945.99
    Subtotal:
  • Roller Lifters - SBC w/Hi-Pressure Pin Oiling CRO66290H-16

    Roller Lifters - SBC w/Hi-Pressure Pin Oiling 66290H-16

    CROWER

    $983.99
    Roller Lifters - SBC w/Hi-Pressure Pin OilingLifterSevere Duty CutawayMechanical Roller0.842 in ODLink BarHIPPOSmall Block ChevySet of 16
    CRO66290H-16
    SKU:
    CRO66290H-16
    Availability:
    Ships Same Business Day
    Weight:
    4.51 LBS
    MFG Part #:
    66290H-16
    $983.99
    Qty in Cart: 0
    Quantity:
    Price:
    $983.99
    Subtotal:
  • Roller Lifters - SBC  CRO66290-16

    Roller Lifters - SBC 66290-16

    CROWER

    $773.99
    Roller Lifters - SBC LifterSevere Duty CutawayMechanical Roller0.842 in ODLink BarSmall Block ChevySet of 16
    CRO66290-16
    SKU:
    CRO66290-16
    Availability:
    Ships Same Business Day
    Weight:
    4.51 LBS
    MFG Part #:
    66290-16
    $773.99
    Qty in Cart: 0
    Quantity:
    Price:
    $773.99
    Subtotal:
  • Roller Lifters - SBF w/Hi-Pressure Pin Oiling CRO66215H-16

    Roller Lifters - SBF w/Hi-Pressure Pin Oiling 66215H-16

    CROWER

    $1,018.99
    Roller Lifters - SBF w/Hi-Pressure Pin OilingLifterSevere Duty CutawayMechanical Roller0.874 in ODLink BarHIPPOSmall Block FordSet of 16
    CRO66215H-16
    SKU:
    CRO66215H-16
    Availability:
    Ships Same Business Day
    Weight:
    5.05 LBS
    MFG Part #:
    66215H-16
    $1,018.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,018.99
    Subtotal:
  • Roller Lifters - SBF  CRO66215-16

    Roller Lifters - SBF 66215-16

    CROWER

    $657.99
    Roller Lifters - SBF LifterSevere Duty CutawayMechanical Roller0.874 in ODLink BarSmall Block FordSet of 16
    CRO66215-16
    SKU:
    CRO66215-16
    Availability:
    Ships Same Business Day
    Weight:
    5.05 LBS
    MFG Part #:
    66215-16
    $657.99
    Qty in Cart: 0
    Quantity:
    Price:
    $657.99
    Subtotal:
  • Roller Lifters - SBC w/Hi-Pressure Pin Oiling CRO66200H-16

    Roller Lifters - SBC w/Hi-Pressure Pin Oiling 66200H-16

    CROWER

    $852.99
    Roller Lifters - SBC w/Hi-Pressure Pin OilingLifterFull BodyMechanical Roller0.842 in ODLink BarHIPPOSmall Block ChevySet of 16
    CRO66200H-16
    SKU:
    CRO66200H-16
    Availability:
    Ships Same Business Day
    Weight:
    4.69 LBS
    MFG Part #:
    66200H-16
    $852.99
    Qty in Cart: 0
    Quantity:
    Price:
    $852.99
    Subtotal:
  • Roller Lifters - SBC  CRO66200-16

    Roller Lifters - SBC 66200-16

    CROWER

    $675.99
    Roller Lifters - SBC LifterFull BodyMechanical Roller0.842 in ODLink BarSmall Block ChevySet of 16
    CRO66200-16
    SKU:
    CRO66200-16
    Availability:
    Ships Same Business Day
    Weight:
    4.76 LBS
    MFG Part #:
    66200-16
    $675.99
    Qty in Cart: 0
    Quantity:
    Price:
    $675.99
    Subtotal:
  • Hydraulic Lifters - Chevy V8 CRO66000-16

    Hydraulic Lifters - Chevy V8 66000-16

    CROWER

    $112.99
    Hydraulic Lifters - Chevy V8LifterHydraulic Flat Tappet0.842 in ODChevy V8Set of 16
    CRO66000-16
    SKU:
    CRO66000-16
    Availability:
    Ships Same Business Day
    Weight:
    3.70 LBS
    MFG Part #:
    66000-16
    Qty in Cart: 0
    Quantity:
    Price:
    $112.99
    Subtotal:
  • Solid Camshaft - SBC 294FDP CRO00356

    Solid Camshaft - SBC 294FDP 356

    CROWER

    $259.99
    Solid Camshaft - SBC 294FDPCamshaftCompu-ProMechanical Flat TappetLift 0.540 / 0.557 inDuration 294 / 302105 LSA3500 / 7500 RPMSmall Block ChevyEach
    CRO00356
    SKU:
    CRO00356
    Availability:
    Ships Same Business Day
    Weight:
    8.62 LBS
    MFG Part #:
    356
    $259.99
    Qty in Cart: 0
    Quantity:
    Price:
    $259.99
    Subtotal:
  • Solid Camshaft - SBC 276FDP CRO00355

    Solid Camshaft - SBC 276FDP 355

    CROWER

    $276.99
    Solid Camshaft - SBC 276FDPCamshaftCompu-ProMechanical Flat TappetLift 0.503 / 0.518 inDuration 276 / 282105 LSA2500 / 6500 RPMSmall Block ChevyEach
    CRO00355
    SKU:
    CRO00355
    Availability:
    Ships Same Business Day
    Weight:
    8.75 LBS
    MFG Part #:
    355
    $276.99
    Qty in Cart: 0
    Quantity:
    Price:
    $276.99
    Subtotal:
  • Solid Camshaft - SBC C/T 288FDP CRO00351

    Solid Camshaft - SBC C/T 288FDP 351

    CROWER

    $272.99
    Solid Camshaft - SBC C/T 288FDPCamshaftCompu-ProMechanical Flat TappetLift 0.525 / 0.546 inDuration 288 / 292105 LSA3000 / 7000 RPMSmall Block ChevyEach
    CRO00351
    SKU:
    CRO00351
    Availability:
    Ships Same Business Day
    Weight:
    8.68 LBS
    MFG Part #:
    351
    $272.99
    Qty in Cart: 0
    Quantity:
    Price:
    $272.99
    Subtotal:
  • On Sale
    Valve Spring Retainers  CRN99956-16

    Valve Spring Retainers 99956-16

    CRANE

    MSRP: $69.99
    Now: $63.00
    Was: $69.99
    Valve Spring Retainers Valve Spring Retainer7 Degree1.135 in / 0.635 in OD Steps1.540-1.630 in Triple SpringSteelSet of 16
    CRN99956-16
    SKU:
    CRN99956-16
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    MFG Part #:
    99956-16
    MSRP: $69.99
    Now: $63.00
    Was: $69.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $69.99
    Now: $63.00
    Was: $69.99
    Subtotal:
  • 1.250in Valve Springs  COM983-16

    Comp Cams 1.250in Valve Springs 983-16

    COMP CAMS

    $109.95
    1.250in Valve Springs Valve SpringOvate WireSingle Spring410 lb/in Spring Rate1.150 in Coil Bind1.260 in ODSet of 16
    COM983-16
    SKU:
    COM983-16
    Availability:
    Ships Same Business Day
    Weight:
    3.02 LBS
    MFG Part #:
    983-16
    $109.95
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
  • SBC Sportsman Roller Lifter Set .160 Offset COM96894-16

    Comp Cams SBC Sportsman Roller Lifter Set .160 Offset 96894-16

    COMP CAMS

    $833.95
    SBC Sportsman Roller Lifter Set .160 OffsetLifterSportsmanMechanical Roller0.842 in OD0.160 in OffsetLink BarSmall Block ChevySet of 16
    COM96894-16
    SKU:
    COM96894-16
    Availability:
    Ships Same Business Day
    Weight:
    4.55 LBS
    MFG Part #:
    96894-16
    $833.95
    Qty in Cart: 0
    Quantity:
    Price:
    $833.95
    Subtotal:
  • Sportsman Roller Lifters SBF w/Bushing COM96838B-16

    Comp Cams Sportsman Roller Lifters SBF w/Bushing 96838B-16

    COMP CAMS

    $1,234.95
    Sportsman Roller Lifters SBF w/BushingLifterSportsmanMechanical Roller0.842 in ODLink BarBronze BearingSmall Block FordSet of 16
    COM96838B-16
    SKU:
    COM96838B-16
    Availability:
    Ships Same Business Day
    Weight:
    5.25 LBS
    MFG Part #:
    96838B-16
    $1,234.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,234.95
    Subtotal:
  • Sportsman Roller Lifters SBF w/Needle Bearing COM96838-16

    Comp Cams Sportsman Roller Lifters SBF w/Needle Bearing 96838-16

    COMP CAMS

    $855.95
    Sportsman Roller Lifters SBF w/Needle BearingLifterSportsmanMechanical Roller0.875 in ODLink BarNeedle BearingSmall Block FordSet of 16
    COM96838-16
    SKU:
    COM96838-16
    Availability:
    Ships Same Business Day
    Weight:
    5.15 LBS
    MFG Part #:
    96838-16
    $855.95
    Qty in Cart: 0
    Quantity:
    Price:
    $855.95
    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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