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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 4340 Forged I-Beam Rods 6.000 w/2.000 Pin SCA2-ICR6000-2000

    SBC 4340 Forged I-Beam Rods 6.000 w/2.000 Pin 2-ICR6000-2000

    SCAT ENTERPRISES

    $423.99
    When you're pushing your small block Chevy to its limits, factory connecting rods become your weak link. These 4340 forged I-beam rods deliver the strength and reliability demanded by Pro Stock engines, handling extreme RPM and boost pressure without...
    SCA2-ICR6000-2000
    SKU:
    SCA2-ICR6000-2000
    Availability:
    Ships Same Business Day
    Weight:
    12.30 LBS
    MFG Part #:
    2-ICR6000-2000
    $423.99
    Qty in Cart: 0
    Quantity:
    Price:
    $423.99
    Subtotal:
  • SBC 4340 Forged I-Beam Rods 6.000 SCA2-ICR6000

    SBC 4340 Forged I-Beam Rods 6.000 2-ICR6000

    SCAT ENTERPRISES

    $461.99
    If you're building a Pro Stock engine or pushing your small block Chevy to its limits, connecting rod failure isn't an option—it's a catastrophe. These 4340 forged I-beam rods deliver the strength and reliability demanded by high-RPM competition, with a...
    SCA2-ICR6000
    SKU:
    SCA2-ICR6000
    Availability:
    Ships Same Business Day
    Weight:
    11.79 LBS
    MFG Part #:
    2-ICR6000
    $461.99
    Qty in Cart: 0
    Quantity:
    Price:
    $461.99
    Subtotal:
  • SBC 4340 Forged I-Beam Rods 5.700 SCA2-ICR5700P

    SBC 4340 Forged I-Beam Rods 5.700 2-ICR5700P

    SCAT ENTERPRISES

    $419.99
    When you're building a Small Block Chevy that demands reliability under extreme load, factory rods simply won't cut it. These 4340 forged I-beam rods are engineered for Pro Stock applications where connecting rod failure isn't an option—they deliver the...
    SCA2-ICR5700P
    SKU:
    SCA2-ICR5700P
    Availability:
    Ships Same Business Day
    Weight:
    11.60 LBS
    MFG Part #:
    2-ICR5700P
    $419.99
    Qty in Cart: 0
    Quantity:
    Price:
    $419.99
    Subtotal:
  • SBC 4340 Forged I-Beam Rods 5.700 SCA2-ICR5700-7/16

    SBC 4340 Forged I-Beam Rods 5.700 2-ICR5700-7/16

    SCAT ENTERPRISES

    $519.99
    When you're building or rebuilding a Small Block Chevy engine for serious performance, your connecting rods are the critical link between cylinder pressure and crankshaft rotation—they need to handle extreme forces without failure. Pro Comp's 4340 forged...
    SCA2-ICR5700-7/16
    SKU:
    SCA2-ICR5700-7/16
    Availability:
    Ships Same Business Day
    Weight:
    11.54 LBS
    MFG Part #:
    2-ICR5700-7/16
    Qty in Cart: 0
    Quantity:
    Price:
    $519.99
    Subtotal:
  • SBC 4340 Forged I-Beam Rods 5.700 SCA2-ICR5700

    SBC 4340 Forged I-Beam Rods 5.700 2-ICR5700

    SCAT ENTERPRISES

    $412.99
    When you're pushing your SBC to the limit, stock connecting rods become your first failure point. These 4340 forged I-beam rods deliver the strength and reliability demanded by pro stock engines, with ARP8740 fasteners that won't let you down when boost...
    SCA2-ICR5700
    SKU:
    SCA2-ICR5700
    Availability:
    Ships Same Business Day
    Weight:
    11.58 LBS
    MFG Part #:
    2-ICR5700
    $412.99
    Qty in Cart: 0
    Quantity:
    Price:
    $412.99
    Subtotal:
  • SBF 4340 Forged I-Beam Rods 5.400 SCA2-ICR5400-927

    SBF 4340 Forged I-Beam Rods 5.400 2-ICR5400-927

    SCAT ENTERPRISES

    $461.99
    If you're building a Pro Stock engine or pushing a small block Ford to its limits, connecting rod integrity is non-negotiable. These SBF 4340 forged I-beam rods are engineered to handle extreme cylinder pressures and high RPM loads without compromise. A...
    SCA2-ICR5400-927
    SKU:
    SCA2-ICR5400-927
    Availability:
    Ships Same Business Day
    Weight:
    10.84 LBS
    MFG Part #:
    2-ICR5400-927
    Qty in Cart: 0
    Quantity:
    Price:
    $461.99
    Subtotal:
  • SBC 4340 Forged H-Beam Rods 6.200 SCA2-350-6200-2100

    SBC 4340 Forged H-Beam Rods 6.200 2-350-6200-2100

    SCAT ENTERPRISES

    $784.99
    If you're building or rebuilding a Small Block Chevy engine that sees serious track time, connecting rod quality directly impacts reliability and power delivery under extreme load. These 4340 forged H-beam rods are engineered to handle high RPM and...
    SCA2-350-6200-2100
    SKU:
    SCA2-350-6200-2100
    Availability:
    Ships Same Business Day
    Weight:
    12.47 LBS
    MFG Part #:
    2-350-6200-2100
    $784.99
    Qty in Cart: 0
    Quantity:
    Price:
    $784.99
    Subtotal:
  • SBC 4340 Forged H-Beam Rods 6.125 w/ARP2000 Blt SCA2-350-6125-2100A

    SBC 4340 Forged H-Beam Rods 6.125 w/ARP2000 Blt 2-350-6125-2100A

    SCAT ENTERPRISES

    $735.99
    When you're building a Small Block Chevy engine that needs to survive sustained high-RPM operation, factory connecting rods simply won't cut it. These 4340 forged H-beam rods deliver the strength and reliability required for forced induction, nitrous, or...
    SCA2-350-6125-2100A
    SKU:
    SCA2-350-6125-2100A
    Availability:
    Ships Same Business Day
    Weight:
    12.35 LBS
    MFG Part #:
    2-350-6125-2100A
    Qty in Cart: 0
    Quantity:
    Price:
    $735.99
    Subtotal:
  • SBC 4340 Forged H-Beam Rods 6.000 w/ARP2000 SCA2-350-6000-2100A

    SBC 4340 Forged H-Beam Rods 6.000 w/ARP2000 2-350-6000-2100A

    SCAT ENTERPRISES

    $735.99
    When you're pushing your Small Block Chevy to its limits, stock connecting rods become your weakest link. These 4340 forged H-beam rods deliver the strength and reliability required for sustained high-RPM power, whether you're building a street performer...
    SCA2-350-6000-2100A
    SKU:
    SCA2-350-6000-2100A
    Availability:
    Ships Same Business Day
    Weight:
    12.50 LBS
    MFG Part #:
    2-350-6000-2100A
    $735.99
    Qty in Cart: 0
    Quantity:
    Price:
    $735.99
    Subtotal:
  • SBC 4340 Forged H-Beam Rods 6.000 SCA2-350-6000-2100

    SBC 4340 Forged H-Beam Rods 6.000 2-350-6000-2100

    SCAT ENTERPRISES

    $603.99
    Whether you're building a high-rpm small block for the strip or maximizing durability in a daily-driven performance engine, quality connecting rods are non-negotiable. These SBC 4340 forged H-beams deliver the strength and precision needed to handle...
    SCA2-350-6000-2100
    SKU:
    SCA2-350-6000-2100
    Availability:
    Ships Same Business Day
    Weight:
    12.52 LBS
    MFG Part #:
    2-350-6000-2100
    $603.99
    Qty in Cart: 0
    Quantity:
    Price:
    $603.99
    Subtotal:
  • SBC Q-Lite Forged H-Beam Rods 6.000 SCA2-350-6000-2000-QLS

    SBC Q-Lite Forged H-Beam Rods 6.000 2-350-6000-2000-QLS

    SCAT ENTERPRISES

    $738.99
    Stock connecting rods are the first point of failure in high-output small block Chevy engines—flex under boost or nitrous, and you're looking at catastrophic engine damage. The SBC Q-Lite Forged H-Beam Rods eliminate that risk with a rigid, lightweight...
    SCA2-350-6000-2000-QLS
    SKU:
    SCA2-350-6000-2000-QLS
    Availability:
    Ships Same Business Day
    Weight:
    11.31 LBS
    MFG Part #:
    2-350-6000-2000-QLS
    $738.99
    Qty in Cart: 0
    Quantity:
    Price:
    $738.99
    Subtotal:
  • SBC Q-Lite Forged H-Beam Rods 6.000 SCA2-350-6000-1888-QLS

    SBC Q-Lite Forged H-Beam Rods 6.000 2-350-6000-1888-QLS

    SCAT ENTERPRISES

    $750.99
    Stock connecting rods are the weak link in any high-rpm small block Chevy build—they flex under load, accelerate wear, and limit your engine's potential. The SBC Q-Lite Forged H-Beam Rods eliminate that vulnerability with a forged construction and rigid...
    SCA2-350-6000-1888-QLS
    SKU:
    SCA2-350-6000-1888-QLS
    Availability:
    Ships Same Business Day
    Weight:
    11.30 LBS
    MFG Part #:
    2-350-6000-1888-QLS
    $750.99
    Qty in Cart: 0
    Quantity:
    Price:
    $750.99
    Subtotal:
  • SBC 4340 Forged H-Beam Rods 5.700 SCA2-350-5700-2100

    SBC 4340 Forged H-Beam Rods 5.700 2-350-5700-2100

    SCAT ENTERPRISES

    $617.99
    If you're building a Small Block Chevy engine that needs to survive high RPM abuse, you need connecting rods that won't fail under extreme loading. These SBC 4340 forged H-beam rods deliver the strength and reliability required for serious racing...
    SCA2-350-5700-2100
    SKU:
    SCA2-350-5700-2100
    Availability:
    Ships Same Business Day
    Weight:
    12.25 LBS
    MFG Part #:
    2-350-5700-2100
    $617.99
    Qty in Cart: 0
    Quantity:
    Price:
    $617.99
    Subtotal:
  • SBF 4340 Forged H-Beam Rods 5.400 SCA2-302-5400-2123-927

    SBF 4340 Forged H-Beam Rods 5.400 2-302-5400-2123-927

    SCAT ENTERPRISES

    $644.99
    If you're building or rebuilding a Small Block Ford engine for serious performance, your connecting rods are the critical link between power and reliability. These SBF 4340 forged H-beam rods are engineered to handle the demands of high-RPM racing and...
    SCA2-302-5400-2123-927
    SKU:
    SCA2-302-5400-2123-927
    Availability:
    Ships Same Business Day
    Weight:
    11.62 LBS
    MFG Part #:
    2-302-5400-2123-927
    $644.99
    Qty in Cart: 0
    Quantity:
    Price:
    $644.99
    Subtotal:
  • Aluminum Pulley  RPCR9481

    Aluminum Pulley R9481

    RACING POWER CO-PACKAGED

    $73.99
    A quality crankshaft pulley is critical for reliable belt drive operation and accessory performance in any Small Block Chevy engine. The Aluminum Pulley R9481 delivers precision engineering with a lightweight aluminum construction that reduces parasitic...
    RPCR9481
    SKU:
    RPCR9481
    Availability:
    Ships Same Business Day
    Weight:
    1.94 LBS
    MFG Part #:
    R9481
    $73.99
    Qty in Cart: 0
    Quantity:
    Price:
    $73.99
    Subtotal:
  • Aluminum Pulley  RPCR9480

    Aluminum Pulley R9480

    RACING POWER CO-PACKAGED

    $51.99
    A lightweight aluminum crankshaft pulley reduces rotational mass and improves engine response, making it an essential upgrade for any small block Chevy build prioritizing efficiency and performance. The R9480's precision-engineered single-groove design...
    RPCR9480
    SKU:
    RPCR9480
    Availability:
    Ships Same Business Day
    Weight:
    1.31 LBS
    MFG Part #:
    R9480
    $51.99
    Qty in Cart: 0
    Quantity:
    Price:
    $51.99
    Subtotal:
  • Aluminum Pulley  RPCR9479

    Aluminum Pulley R9479

    RACING POWER CO-PACKAGED

    $82.99
    A quality water pump pulley is critical for maintaining proper coolant circulation and belt drive efficiency in your Small Block Chevy engine. The Aluminum Pulley R9479 delivers reliable performance with a lightweight aluminum construction that reduces...
    RPCR9479
    SKU:
    RPCR9479
    Availability:
    Ships Same Business Day
    Weight:
    2.26 LBS
    MFG Part #:
    R9479
    $82.99
    Qty in Cart: 0
    Quantity:
    Price:
    $82.99
    Subtotal:
  • Aluminum Pulley  RPCR9478

    Aluminum Pulley R9478

    RACING POWER CO-PACKAGED

    $66.99
    A properly functioning water pump pulley is critical for maintaining consistent coolant circulation and engine temperature stability, especially in high-performance applications where heat management directly impacts reliability. The Aluminum Pulley...
    RPCR9478
    SKU:
    RPCR9478
    Availability:
    Ships Same Business Day
    Weight:
    1.45 LBS
    MFG Part #:
    R9478
    $66.99
    Qty in Cart: 0
    Quantity:
    Price:
    $66.99
    Subtotal:
  • SBC Steel Tall C/T V/C Unplated w/Tubes RPCR7215RAW

    SBC Steel Tall C/T V/C Unplated w/Tubes R7215RAW

    RACING POWER CO-PACKAGED

    $61.99
    Circle track racing demands reliable crankcase ventilation that won't compromise your engine's integrity or performance. These tall valve covers provide superior baffling to manage blow-by gases efficiently while maintaining proper pressure—critical for...
    RPCR7215RAW
    SKU:
    RPCR7215RAW
    Availability:
    Ships Same Business Day
    Weight:
    5.95 LBS
    MFG Part #:
    R7215RAW
    $61.99
    Qty in Cart: 0
    Quantity:
    Price:
    $61.99
    Subtotal:
  • Oil Pump Pickup 4 Bolt  RPCR7102

    Oil Pump Pickup 4 Bolt R7102

    RACING POWER CO-PACKAGED

    $24.99
    A reliable oil pump pickup is the foundation of consistent oil delivery and engine protection in any high-performance small block Chevy build. Without proper flow from your pan to the pump, you risk starvation and catastrophic bearing failure—especially...
    RPCR7102
    SKU:
    RPCR7102
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    MFG Part #:
    R7102
    Qty in Cart: 0
    Quantity:
    Price:
    $24.99
    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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