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Rocker Arms and Components

Rocker Arms and Components

Rocker Arms and Components

Circle Track Race Car Rocker Arms & Components at JJ Motorsports

Optimize your circle track race car's valvetrain with premium rocker arms and components from JJ Motorsports, featuring shaft-mount, roller-tip, and adjustable designs for precise valve control, reduced friction, and maximum RPM in high-stress racing conditions. These high-quality parts from leading brands ensure reliable lift, durability, and performance for SBC, LS, and other engines in dirt track, oval, and stock car setups, helping you achieve better power and edge out the competition on the track.

Shop top brands like Yella Terra and T&D Machine for race-proven reliability. Whether you're building a high-rev Small Block Chevy or tuning for late models, these rocker arms pair perfectly with our pushrods and components or explore camshafts and valvetrain to complete your build and dominate the track with total confidence across all race conditions, from short ovals to high-bank superspeedways.

Top Circle Track Race Car Rocker Arms & Components

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 Shaft Rocker Arm Kit - 1.6/1.5 Ratio TDM2251-160/150

    SBC Shaft Rocker Arm Kit - 1.6/1.5 Ratio 2251-160/150

    T AND D MACHINE

    $2,106.99
    Maximize your Small Block Chevy's valve lift and duration with a precision-engineered rocker arm kit that delivers consistent, reliable performance on the track. The 1.6/1.5 ratio design increases valve actuation while maintaining the mechanical...
    TDM2251-160/150
    SKU:
    TDM2251-160/150
    Availability:
    Ships Same Business Day
    Weight:
    16.30 LBS
    MFG Part #:
    2251-160/150
    Qty in Cart: 0
    Quantity:
    Price:
    $2,106.99
    Subtotal:
  • SBC Shaft Rocker Arm Kit - 1.6/1.5 Ratio TDM2150-160/150

    SBC Shaft Rocker Arm Kit - 1.6/1.5 Ratio 2150-160/150

    T AND D MACHINE

    $2,107.99
    Rocker arm geometry directly impacts valve lift and duration, making your choice critical for peak engine performance. This shaft-mount kit delivers a 1.6/1.5 ratio that optimizes valve actuation across the RPM band while maintaining reliability under...
    TDM2150-160/150
    SKU:
    TDM2150-160/150
    Availability:
    Ships Same Business Day
    Weight:
    16.40 LBS
    MFG Part #:
    2150-160/150
    $2,107.99
    Qty in Cart: 0
    Quantity:
    Price:
    $2,107.99
    Subtotal:
  • SBC Shaft Rocker Arm Kit - 1.6/1.5 Ratio TDM2144-160/150

    SBC Shaft Rocker Arm Kit - 1.6/1.5 Ratio 2144-160/150

    T AND D MACHINE

    $2,199.99
    Rocker arm geometry directly impacts valve timing, lift, and overall engine efficiency—and this shaft-mount kit delivers the precision you need for consistent performance across your entire valvetrain. The 1.6/1.5 ratio provides the mechanical advantage...
    TDM2144-160/150
    SKU:
    TDM2144-160/150
    Availability:
    Ships Same Business Day
    Weight:
    16.35 LBS
    MFG Part #:
    2144-160/150
    Qty in Cart: 0
    Quantity:
    Price:
    $2,199.99
    Subtotal:
  • SBF Sport Comp Shaft R/A Kit 1.60/1.60 Ratio TDM10020-160/160

    SBF Sport Comp Shaft R/A Kit 1.60/1.60 Ratio 10020-160/160

    T AND D MACHINE

    $1,437.99
    If you're building a high-revving Small Block Ford and need consistent valve actuation across the RPM band, a quality rocker arm kit is non-negotiable. The SBF Sport Comp Shaft R/A Kit delivers the mechanical advantage and reliability that separates...
    TDM10020-160/160
    SKU:
    TDM10020-160/160
    Availability:
    Ships Same Business Day
    Weight:
    16.01 LBS
    MFG Part #:
    10020-160/160
    $1,437.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,437.99
    Subtotal:
  • SBC 220 Sport Comp Shaft R/A Kit 1.60/1.60 Ratio TDM10001-160/160

    SBC 220 Sport Comp Shaft R/A Kit 1.60/1.60 Ratio 10001-160/160

    T AND D MACHINE

    $1,439.99
    If you're building a high-revving small block Chevy that demands reliable valve actuation and consistent lift, this rocker arm kit delivers the precision geometry and durability required for sustained performance. The 1.60:1 ratio provides the mechanical...
    TDM10001-160/160
    SKU:
    TDM10001-160/160
    Availability:
    Ships Same Business Day
    Weight:
    16.40 LBS
    MFG Part #:
    10001-160/160
    $1,439.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,439.99
    Subtotal:
  • SBC 220 Sport Comp Shaft R/A Kit 1.60/1.50 Ratio TDM10001-160/150

    SBC 220 Sport Comp Shaft R/A Kit 1.60/1.50 Ratio 10001-160/150

    T AND D MACHINE

    $1,439.99
    If you're building a high-revving Small Block Chevy engine, rocker arm ratio directly impacts valve lift and duration—and this SportComp shaft-mount kit delivers the mechanical advantage you need for aggressive cam profiles. The 1.60/1.50 ratio with full...
    TDM10001-160/150
    SKU:
    TDM10001-160/150
    Availability:
    Ships Same Business Day
    Weight:
    16.40 LBS
    MFG Part #:
    10001-160/150
    $1,439.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,439.99
    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 the 1...
    TDM10000-150/150
    SKU:
    TDM10000-150/150
    Availability:
    Ships Same Business Day
    Weight:
    16.31 LBS
    MFG Part #:
    10000-150/150
    $1,419.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,419.99
    Subtotal:
  • Adjuster - 5/16 Dia. Cup - 7/16-20 Thread TDM03150

    Adjuster - 5/16 Dia. Cup - 7/16-20 Thread 3150

    T AND D MACHINE

    $16.99
    Proper valve clearance is critical to engine performance, and this rocker arm adjuster delivers the precision adjustment your high-performance engine demands. Whether you're dialing in a fresh build or maintaining competition-grade reliability, this...
    TDM03150
    SKU:
    TDM03150
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    3150
    $16.99
    Qty in Cart: 0
    Quantity:
    Price:
    $16.99
    Subtotal:
  • SBC Shaft Rocker Arm Kit - 1.5/1.5 Ratio SPN3500

    SBC Shaft Rocker Arm Kit - 1.5/1.5 Ratio 3500

    SCORPION PERFORMANCE

    $1,696.82
    A quality rocker arm kit is the foundation of reliable valvetrain performance, directly affecting your engine's ability to breathe efficiently and maintain consistent lift across the RPM range. The SBC Shaft Rocker Arm Kit delivers the precision...
    SPN3500
    SKU:
    SPN3500
    Availability:
    Ships Same Business Day
    Weight:
    17.25 LBS
    MFG Part #:
    3500
    $1,696.82
    Qty in Cart: 0
    Quantity:
    Price:
    $1,696.82
    Subtotal:
  • SBC Roller Rocker Arms 1.5/1.6 Ratio 3/8 Stud SPN1084

    SBC Roller Rocker Arms 1.5/1.6 Ratio 3/8 Stud 1084

    SCORPION PERFORMANCE

    $522.83
    Upgrading to roller rocker arms is one of the most cost-effective ways to unlock additional horsepower and improve valve train reliability on your small block Chevy. These full-roller designs reduce friction across the entire RPM range, allowing your...
    SPN1084
    SKU:
    SPN1084
    Availability:
    Ships Same Business Day
    Weight:
    6.82 LBS
    MFG Part #:
    1084
    $522.83
    Qty in Cart: 0
    Quantity:
    Price:
    $522.83
    Subtotal:
  • SBF Roller Rocker Arms 1.65 Ratio 7/16 Stud SPN1061

    SBF Roller Rocker Arms 1.65 Ratio 7/16 Stud 1061

    SCORPION PERFORMANCE

    $458.46
    Roller rocker arms are essential for maximizing valve lift and duration in high-rpm Small Block Ford applications, directly translating to increased airflow and horsepower. The 1.65 ratio multiplier amplifies your camshaft's lift by 65%, giving you the...
    SPN1061
    SKU:
    SPN1061
    Availability:
    Ships Same Business Day
    Weight:
    8.43 LBS
    MFG Part #:
    1061
    $458.46
    Qty in Cart: 0
    Quantity:
    Price:
    $458.46
    Subtotal:
  • SBC Roller Rocker Arms 1.6 Ratio 3/8 Stud SPN1038

    SBC Roller Rocker Arms 1.6 Ratio 3/8 Stud 1038

    SCORPION PERFORMANCE

    $491.87
    Roller rocker arms are essential for maximizing valve lift and duration in any serious Small Block Chevy build. By reducing friction at the pushrod interface, these rockers enable faster valve actuation, improved flow characteristics, and measurable...
    SPN1038
    SKU:
    SPN1038
    Availability:
    Ships Same Business Day
    Weight:
    7.06 LBS
    MFG Part #:
    1038
    Qty in Cart: 0
    Quantity:
    Price:
    $491.87
    Subtotal:
  • SBC Roller Rocker Arms 1.5 Ratio 3/8 Stud SPN1037

    SBC Roller Rocker Arms 1.5 Ratio 3/8 Stud 1037

    SCORPION PERFORMANCE

    $491.87
    Roller rocker arms are essential for maximizing valve lift efficiency and reducing parasitic drag on your small block Chevy engine. The 1.5 ratio design provides a proven balance between lift multiplication and reliability, while the full roller design...
    SPN1037
    SKU:
    SPN1037
    Availability:
    Ships Same Business Day
    Weight:
    7.04 LBS
    MFG Part #:
    1037
    $491.87
    Qty in Cart: 0
    Quantity:
    Price:
    $491.87
    Subtotal:
  • SBC Roller Rocker Arms 1.6 Ratio 3/8 Stud SPN1036

    SBC Roller Rocker Arms 1.6 Ratio 3/8 Stud 1036

    SCORPION PERFORMANCE

    $522.83
    Roller rocker arms are essential for maximizing valve lift and duration while reducing friction losses in your SBC engine. These full-roller designs deliver consistent, reliable performance across high-RPM applications while the narrow body profile...
    SPN1036
    SKU:
    SPN1036
    Availability:
    Ships Same Business Day
    Weight:
    6.80 LBS
    MFG Part #:
    1036
    $522.83
    Qty in Cart: 0
    Quantity:
    Price:
    $522.83
    Subtotal:
  • SBC Roller Rocker Arms 1.5 Ratio 3/8 Stud SPN1035

    SBC Roller Rocker Arms 1.5 Ratio 3/8 Stud 1035

    SCORPION PERFORMANCE

    $522.83
    If you're running a small block Chevy engine that demands reliable valve actuation at high RPM, roller rocker arms are the upgrade that separates serious builds from amateur setups. The 1.5 ratio geometry delivers the mechanical advantage you need for...
    SPN1035
    SKU:
    SPN1035
    Availability:
    Ships Same Business Day
    Weight:
    6.75 LBS
    MFG Part #:
    1035
    $522.83
    Qty in Cart: 0
    Quantity:
    Price:
    $522.83
    Subtotal:
  • SBF Roller Rocker Arms 1.72 Ratio Pedestal Mnt. SPN1022

    SBF Roller Rocker Arms 1.72 Ratio Pedestal Mnt. 1022

    SCORPION PERFORMANCE

    $493.75
    A quality rocker arm directly impacts your engine's valvetrain efficiency, and these SBF roller rocker arms are built to handle sustained high-RPM operation without sacrificing reliability. The 1.72 ratio provides the mechanical advantage needed for...
    SPN1022
    SKU:
    SPN1022
    Availability:
    Ships Same Business Day
    Weight:
    8.77 LBS
    MFG Part #:
    1022
    Qty in Cart: 0
    Quantity:
    Price:
    $493.75
    Subtotal:
  • SBF Roller Rocker Arms 1.6 Ratio Pedestal Mount SPN1021

    SBF Roller Rocker Arms 1.6 Ratio Pedestal Mount 1021

    SCORPION PERFORMANCE

    $493.75
    Roller rocker arms are critical to maximizing valve lift, reducing friction, and extending engine life under sustained high-RPM operation. These SBF units deliver a 1.6 ratio mechanical advantage that increases valve travel while minimizing parasitic...
    SPN1021
    SKU:
    SPN1021
    Availability:
    Ships Same Business Day
    Weight:
    8.74 LBS
    MFG Part #:
    1021
    $493.75
    Qty in Cart: 0
    Quantity:
    Price:
    $493.75
    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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