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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 SCA3-ICR6000

    SBC 4340 Forged I-Beam Rods 6.000 3-ICR6000

    SCAT ENTERPRISES

    $469.99
    Connecting RodStock ReplacementI Beam6.000 in LongBushed3/8 in Rod BoltsARP8740Forged SteelSmall Block ChevySet of 8
    SCA3-ICR6000
    SKU:
    SCA3-ICR6000
    Availability:
    Ships Same Business Day
    Weight:
    12.06 LBS
    MFG Part #:
    3-ICR6000
    $469.99
    Qty in Cart: 0
    Quantity:
    Price:
    $469.99
    Subtotal:
  • SBC 4340 Forged I-Beam Rods 5.700 SCA3-ICR5700P

    SBC 4340 Forged I-Beam Rods 5.700 3-ICR5700P

    SCAT ENTERPRISES

    $396.99
    Connecting RodStock ReplacementI Beam5.700 in LongPress Fit3/8 in Rod BoltsARP8740Forged SteelSmall Block ChevySet of 8
    SCA3-ICR5700P
    SKU:
    SCA3-ICR5700P
    Availability:
    Ships Same Business Day
    Weight:
    11.81 LBS
    MFG Part #:
    3-ICR5700P
    $396.99
    Qty in Cart: 0
    Quantity:
    Price:
    $396.99
    Subtotal:
  • SBC 4340 Forged I-Beam Rods 6.000 SCA2-ICR6000-7/16

    SBC 4340 Forged I-Beam Rods 6.000 2-ICR6000-7/16

    SCAT ENTERPRISES

    $487.99
    Connecting RodPro CompI Beam6.000 in LongBushed7/16 in Cap ScrewsARP8740Forged SteelSmall Block ChevySet of 8
    SCA2-ICR6000-7/16
    SKU:
    SCA2-ICR6000-7/16
    Availability:
    Ships Same Business Day
    Weight:
    11.52 LBS
    MFG Part #:
    2-ICR6000-7/16
    $487.99
    Qty in Cart: 0
    Quantity:
    Price:
    $487.99
    Subtotal:
  • SBC 4340 Forged I-Beam Rods 6.000 w/ARP Bolts SCA2-ICR6000-2000-7/16

    SBC 4340 Forged I-Beam Rods 6.000 w/ARP Bolts 2-ICR6000-2000-7/16

    SCAT ENTERPRISES

    $546.99
    Connecting RodI Beam6.000 in LongBushed7/16 in Cap ScrewsARP8740Forged SteelSmall Block ChevySet of 8
    SCA2-ICR6000-2000-7/16
    SKU:
    SCA2-ICR6000-2000-7/16
    Availability:
    Ships Same Business Day
    Weight:
    12.35 LBS
    MFG Part #:
    2-ICR6000-2000-7/16
    Qty in Cart: 0
    Quantity:
    Price:
    $546.99
    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
    Connecting RodPro StockI Beam6.000 in LongBushed3/8 in Cap ScrewsARP8740Forged SteelSmall Block ChevySet of 8
    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
    Connecting RodPro StockI Beam6.000 in LongBushed3/8 in Cap ScrewsARP8740Forged SteelSmall Block ChevySet of 8
    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
    Connecting RodPro StockI Beam5.700 in LongPress Fit3/8 in Cap ScrewsARP8740Forged SteelSmall Block ChevySet of 8
    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
    Connecting RodPro CompI Beam5.700 in LongBushed7/16 in Cap ScrewsARP8740Forged SteelSmall Block ChevySet of 8
    SCA2-ICR5700-7/16
    SKU:
    SCA2-ICR5700-7/16
    Availability:
    Ships Same Business Day
    Weight:
    11.54 LBS
    MFG Part #:
    2-ICR5700-7/16
    $519.99
    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
    Connecting RodPro StockI Beam5.700 in LongBushed3/8 in Cap ScrewsARP8740Forged SteelSmall Block ChevySet of 8
    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
    Connecting RodPro StockI Beam5.400 in LongBushed3/8 in Cap ScrewsARP8740Forged SteelSmall Block FordSet of 8
    SCA2-ICR5400-927
    SKU:
    SCA2-ICR5400-927
    Availability:
    Ships Same Business Day
    Weight:
    10.84 LBS
    MFG Part #:
    2-ICR5400-927
    $461.99
    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
    Connecting RodPro SportH Beam6.200 in LongBushed7/16 in Cap ScrewsARP8740Forged SteelSmall Block ChevySet of 8
    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
    Connecting RodPro SportH Beam6.125 in LongBushed7/16 in Cap ScrewsARP2000Forged SteelSmall Block ChevySet of 8
    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
    Connecting RodPro SportH Beam6.000 in LongBushed7/16 in Cap ScrewsARP2000Forged SteelSmall Block ChevySet of 8
    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
    Connecting RodPro SportH Beam6.000 in LongBushed7/16 in Cap ScrewsARP8740Forged SteelSmall Block ChevySet of 8
    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
    High-performance connecting rods designed for durability and strength. Ultra Q-Lite construction for reduced weight without sacrificing performance. H Beam design enhances rigidity and reduces flex under high loads. Measuring 6.000 inches in length,...
    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
    High-performance connecting rods designed for durability and strength. Ultra Q-Lite construction for reduced weight without sacrificing performance. H Beam design enhances rigidity and reduces flex under high loads. Measuring 6.000 inches in length,...
    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
    Connecting RodPro SportH Beam5.700 in LongBushed7/16 in Cap ScrewsARP8740Forged SteelSmall Block ChevySet of 8
    SCA2-350-5700-2100
    SKU:
    SCA2-350-5700-2100
    Availability:
    Ships Same Business Day
    Weight:
    12.25 LBS
    MFG Part #:
    2-350-5700-2100
    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
    Connecting RodPro SportH Beam5.400 in LongBushed7/16 in Cap ScrewsARP8740Forged SteelSmall Block FordSet of 8
    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:
  • On Sale
    Aluminum Pulley  RPCR9481

    Aluminum Pulley R9481

    RACING POWER CO-PACKAGED

    MSRP: $73.99
    Now: $57.94
    Was: $73.99
    Crankshaft PulleyV-Belt2 Groove6.594 in DiameterAluminumSatinShort Water PumpSmall Block ChevyEach
    RPCR9481
    SKU:
    RPCR9481
    Availability:
    Ships Same Business Day
    Weight:
    1.94 LBS
    MFG Part #:
    R9481
    MSRP: $73.99
    Now: $57.94
    Was: $73.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $73.99
    Now: $57.94
    Was: $73.99
    Subtotal:
  • On Sale
    Aluminum Pulley  RPCR9480

    Aluminum Pulley R9480

    RACING POWER CO-PACKAGED

    MSRP: $51.99
    Now: $39.89
    Was: $51.99
    Crankshaft PulleyV-Belt1 Groove6.594 in DiameterAluminumSatinShort Water PumpSmall Block ChevyEach
    RPCR9480
    SKU:
    RPCR9480
    Availability:
    Ships Same Business Day
    Weight:
    1.31 LBS
    MFG Part #:
    R9480
    MSRP: $51.99
    Now: $39.89
    Was: $51.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $51.99
    Now: $39.89
    Was: $51.99
    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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