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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 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
    If you're building a high-revving small block Chevy engine, rocker arm ratio directly impacts your valve lift and overall power delivery. This SBC 220 Sport Comp shaft-mount kit delivers the 1.50:1 ratio geometry you need for aggressive cam profiles...
    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
    Maximize valve lift and duration with the SBC Sport Comp Shaft R/A Kit, engineered for small block Chevy engines demanding serious rocker arm performance. This 1.60:1 ratio kit delivers the mechanical advantage needed to optimize camshaft profiles while...
    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
    The SBC Sport Comp Shaft R/A Kit delivers the valve lift and duration control your small block needs for consistent, high-rpm performance. By pairing asymmetrical rocker ratios (1.60 intake / 1.50 exhaust) with full-roller design, you gain reduced...
    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
    If you're building a high-revving small block Chevy that demands reliable valve actuation, the SBC Sport Comp Shaft R/A Kit delivers the precision rocker arm geometry you need without compromise. Full roller design eliminates friction losses while