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Suspension and Components

Suspension and Components

Suspension and Components

Circle Track Suspension Parts: Control Arms, Shocks & Springs for IMCA & Late Models at JJ Motorsports

Optimize handling and stability on the track with premium circle track suspension components from JJ Motorsports. Our selection includes control arms, shocks, springs, weight jacks, and more, designed for superior cornering, durability, and performance in late models, modifieds, street stocks, and IMCA dirt racing. Compatible with GM Metric frames and other setups, these high-quality parts ensure reliable operation and enhanced traction under intense racing conditions.

Shop trusted brands like Allstar Performance. Explore related categories such as circle track steering and components for precision control or circle track brakes for stopping power.

Top Circle Track Suspension 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
  • Threaded Body Aluminum Shock PROAC740B

    Pro Shock Threaded Body Aluminum "AC" Series 7 Inch 4C - 4R Shock AC740B

    PRO SHOCK

    $278.24
    Threaded Body Aluminum ShockShockAC SeriesTwintube12.50 in Compressed / 19.50 in Extended2.00 in OD4-4 ValveThreaded AluminumGold AnodizedEach
    PROAC740B
    SKU:
    PROAC740B
    Availability:
    Ships Same Business Day
    Weight:
    3.53 LBS
    MFG Part #:
    AC740B
    $278.24
    Qty in Cart: 0
    Quantity:
    Price:
    $278.24
    Subtotal:
  • Threaded Body Aluminum Split Valve Shock PROAC557B

    Pro Shock Threaded Body Aluminum "AC" Series 5 Inch - 5C - 5R Split Valve Shock AC557B

    PRO SHOCK

    $278.24
    Threaded Body Aluminum Split Valve ShockShockAC SeriesTwintube10.50 in Compressed / 15.50 in Extended2.00 in OD5-7 ValveThreaded AluminumGold AnodizedEach
    PROAC557B
    SKU:
    PROAC557B
    Availability:
    Ships Same Business Day
    Weight:
    2.97 LBS
    MFG Part #:
    AC557B
    $278.24
    Qty in Cart: 0
    Quantity:
    Price:
    $278.24
    Subtotal:
  • Threaded Body Aluminum Shock PROAC550B

    Pro Shock Threaded Body Aluminum "AC" Series 5 Inch 5C - 5R Shock AC550B

    PRO SHOCK

    $278.24
    Threaded Body Aluminum ShockShockAC SeriesTwintube10.50 in Compressed / 15.50 in Extended2.00 in OD5-5 ValveThreaded AluminumGold AnodizedEach
    PROAC550B
    SKU:
    PROAC550B
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    MFG Part #:
    AC550B
    $278.24
    Qty in Cart: 0
    Quantity:
    Price:
    $278.24
    Subtotal:
  • Aluminum Body Shock 9in Stroke PROA950B

    Pro Shock Aluminum Body "A" Series 9 Inch 5C 5R Shock A950B

    PRO SHOCK

    $278.24
    Aluminum Body Shock 9in StrokeShockA SeriesTwintube14.50 in Compressed / 23.50 in Extended2.00 in OD5-5 ValveSmooth AluminumGold AnodizedEach
    PROA950B
    SKU:
    PROA950B
    Availability:
    Ships Same Business Day
    Weight:
    3.74 LBS
    MFG Part #:
    A950B
    $278.24
    Qty in Cart: 0
    Quantity:
    Price:
    $278.24
    Subtotal:
  • Aluminum Body Split Valve Shock PROA946B

    Pro Shock Aluminum Body "A" Series 9 Inch 4C 6R Split Valve Shock A946B

    PRO SHOCK

    $278.24
    Aluminum Body Split Valve ShockShockA SeriesTwintube14.50 in Compressed / 23.50 in Extended2.00 in OD4-6 ValveSmooth AluminumGold AnodizedEach
    PROA946B
    SKU:
    PROA946B
    Availability:
    Ships Same Business Day
    Weight:
    3.68 LBS
    MFG Part #:
    A946B
    $278.24
    Qty in Cart: 0
    Quantity:
    Price:
    $278.24
    Subtotal:
  • Aluminum Body Split Valve Shock PROA945B

    Pro Shock Aluminum Body "A" Series 9 Inch 4C 5R Split Valve Shock A945B

    PRO SHOCK

    $278.24
    Aluminum Body Split Valve ShockShockA SeriesTwintube14.50 in Compressed / 23.50 in Extended2.00 in OD4-5 ValveSmooth AluminumGold AnodizedEach
    PROA945B
    SKU:
    PROA945B
    Availability:
    Ships Same Business Day
    Weight:
    3.83 LBS
    MFG Part #:
    A945B
    $278.24
    Qty in Cart: 0
    Quantity:
    Price:
    $278.24
    Subtotal:
  • Alum Body Shock  PROA939B

    Pro Shock Aluminum Body "A" Series 9 Inch Shock 3C 9R A939B

    PRO SHOCK

    $278.24
    Alum Body Shock ShockA SeriesTwintube14.50 in Compressed / 23.50 in Extended2.00 in OD3-9 ValveSmooth AluminumGold AnodizedEach
    PROA939B
    SKU:
    PROA939B
    Availability:
    Ships Same Business Day
    Weight:
    3.67 LBS
    MFG Part #:
    A939B
    $278.24
    Qty in Cart: 0
    Quantity:
    Price:
    $278.24
    Subtotal:
  • Aluminum Body Split Valve Shock PROA848B

    Pro Shock Aluminum Body "A" Series 8 Inch 4C 8R Split Valve Shock A848B

    PRO SHOCK

    $278.24
    Aluminum Body Split Valve ShockShockA SeriesTwintube13.50 in Compressed / 21.50 in Extended2.00 in OD4-8 ValveSmooth AluminumGold AnodizedEach
    PROA848B
    SKU:
    PROA848B
    Availability:
    Ships Same Business Day
    Weight:
    3.48 LBS
    MFG Part #:
    A848B
    $278.24
    Qty in Cart: 0
    Quantity:
    Price:
    $278.24
    Subtotal:
  • Aluminum Body Split Valve Shock PROA754B

    Pro Shock Aluminum Body Split Valve Shock A754B

    PRO SHOCK

    $278.24
    Aluminum Body Split Valve ShockShockA SeriesTwintube12.50 in Compressed / 19.50 in Extended2.00 in OD5-4 ValveSmooth AluminumGold AnodizedEach
    PROA754B
    SKU:
    PROA754B
    Availability:
    Ships Same Business Day
    Weight:
    3.28 LBS
    MFG Part #:
    A754B
    $278.24
    Qty in Cart: 0
    Quantity:
    Price:
    $278.24
    Subtotal:
  • Aluminum Body Split Valve Shock PROA752B

    Pro Shock Aluminum Body Split Valve Shock A752B

    PRO SHOCK

    $278.24
    Aluminum Body Split Valve ShockShockA SeriesTwintube12.50 in Compressed / 19.50 in Extended2.00 in OD5-2 ValveSmooth AluminumGold AnodizedEach
    PROA752B
    SKU:
    PROA752B
    Availability:
    Ships Same Business Day
    Weight:
    3.26 LBS
    MFG Part #:
    A752B
    $278.24
    Qty in Cart: 0
    Quantity:
    Price:
    $278.24
    Subtotal:
  • Aluminum Body Shock 7in Stroke PROA750B

    Pro Shock Aluminum Body "A" Series Shock 7in Stroke A750B

    PRO SHOCK

    $278.24
    Aluminum Body Shock 7in StrokeShockA SeriesTwintube12.50 in Compressed / 19.50 in Extended2.00 in OD5-5 ValveSmooth AluminumGold AnodizedEach
    PROA750B
    SKU:
    PROA750B
    Availability:
    Ships Same Business Day
    Weight:
    3.29 LBS
    MFG Part #:
    A750B
    $278.24
    Qty in Cart: 0
    Quantity:
    Price:
    $278.24
    Subtotal:
  • Aluminum Body Split Valve Shock PROA746B

    Pro Shock Aluminum Body Split Valve Shock A746B

    PRO SHOCK

    $278.24
    Aluminum Body Split Valve ShockShockA SeriesTwintube12.50 in Compressed / 19.50 in Extended2.00 in OD4-6 ValveSmooth AluminumGold AnodizedEach
    PROA746B
    SKU:
    PROA746B
    Availability:
    Ships Same Business Day
    Weight:
    3.37 LBS
    MFG Part #:
    A746B
    $278.24
    Qty in Cart: 0
    Quantity:
    Price:
    $278.24
    Subtotal:
  • Aluminum Body Split Valve Shock PROA745B

    Pro Shock Aluminum Body Split Valve Shock A745B

    PRO SHOCK

    $278.24
    Aluminum Body Split Valve ShockShockA SeriesTwintube12.50 in Compressed / 17.50 in Extended2.00 in OD4-5 ValveSmooth AluminumGold AnodizedEach
    PROA745B
    SKU:
    PROA745B
    Availability:
    Ships Same Business Day
    Weight:
    3.40 LBS
    MFG Part #:
    A745B
    $278.24
    Qty in Cart: 0
    Quantity:
    Price:
    $278.24
    Subtotal:
  • Control Arm Upper 9.5in Bolt-In Balljoint PPM6095

    PPM Racing Control Arm Upper 9.5in Bolt-In Balljoint PPM6095

    PPM RACING COMPONENTS

    $92.99
    Control Arm Upper 9.5in Bolt-In BalljointControl ArmTubularUpper9.500 in LongBolt-In Ball JointSteelBlack Powder CoatUniversalEach
    PPM6095
    SKU:
    PPM6095
    Availability:
    Ships Same Business Day
    Weight:
    1.80 LBS
    MFG Part #:
    PPM6095
    $92.99
    Qty in Cart: 0
    Quantity:
    Price:
    $92.99
    Subtotal:
  • Control Arm Upper 8.5in Bolt-In Balljoint PPM6085

    PPM Racing Control Arm Upper 8.5in Bolt-In Balljoint PPM6085

    PPM RACING COMPONENTS

    $99.99
    Control Arm Upper 8.5in Bolt-In BalljointControl ArmTubularUpper8.500 in LongBolt-In Ball JointSteelBlack Powder CoatUniversalEach
    PPM6085
    SKU:
    PPM6085
    Availability:
    Ships Same Business Day
    Weight:
    3.20 LBS
    MFG Part #:
    PPM6085
    $99.99
    Qty in Cart: 0
    Quantity:
    Price:
    $99.99
    Subtotal:
  • Swivel for Rocket TWM Birdcage PPM2042RT

    PPM Racing Swivel for Rocket TWM Birdcage PPM2042RT

    PPM RACING COMPONENTS

    $74.99
    Swivel for Rocket TWM BirdcageShock MountBolt-OnAdjustable Clevis MountSteelBlack OxidePPM BirdcageEach
    PPM2042RT
    SKU:
    PPM2042RT
    Availability:
    Ships Same Business Day
    Weight:
    0.98 LBS
    MFG Part #:
    PPM2042RT
    $74.99
    Qty in Cart: 0
    Quantity:
    Price:
    $74.99
    Subtotal:
  • Shock Mount Clevis Wide  PPM2042CW

    PPM Racing Shock Mount Clevis Wide PPM2042CW

    PPM RACING COMPONENTS

    $38.99
    Shock Mount Clevis Wide Shock ClevisSteelCadmiumUniversalEach
    PPM2042CW
    SKU:
    PPM2042CW
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    MFG Part #:
    PPM2042CW
    $38.99
    Qty in Cart: 0
    Quantity:
    Price:
    $38.99
    Subtotal:
  • J-Bar Panhard Bar 21-1/2in Adjustable PPM1725N

    PPM Racing J-Bar Panhard Bar 21-1/2in Adjustable PPM1725N

    PPM RACING COMPONENTS

    $125.99
    J-Bar Panhard Bar 21-1/2in AdjustablePanhard BarJ-StyleAdjustable21-1/2 to 23 in LongSpherical Rod EndsSteelBlack Powder CoatUniversalEach
    PPM1725N
    SKU:
    PPM1725N
    Availability:
    Ships Same Business Day
    Weight:
    5.89 LBS
    MFG Part #:
    PPM1725N
    $125.99
    Qty in Cart: 0
    Quantity:
    Price:
    $125.99
    Subtotal:
  • Lower Control Arm RF Rocket XR1 PPM16519-S1PCRX

    PPM Racing Lower Control Arm RF Rocket XR1 PPM16519-s1pcrx

    PPM RACING COMPONENTS

    $227.99
    Lower Control Arm RF Rocket XR1Control ArmTubularPassenger Side3/4 in Rod End StyleLower19.000 in LongScrew-In Ball JointSteelBlack Powder CoatXR1 Rocket ChassisEach
    PPM16519-S1PCRX
    SKU:
    PPM16519-S1PCRX
    Availability:
    Ships Same Business Day
    Weight:
    9.00 LBS
    MFG Part #:
    PPM16519-s1pcrx
    $227.99
    Qty in Cart: 0
    Quantity:
    Price:
    $227.99
    Subtotal:
  • Lwr Control Arm 19in 1pc Blue Rocket RF PPM16519-S1PCRB

    PPM Racing Lwr Control Arm 19in 1pc Blue Rocket RF PPM16519-S1PCRB

    PPM RACING COMPONENTS

    $178.99
    Lwr Control Arm 19in 1pc Blue Rocket RFControl ArmTubularPassenger Side3/4 in Rod End StyleLower19.000 in LongScrew-In Ball JointSteelBlack Powder CoatRocket ChassisEach
    PPM16519-S1PCRB
    SKU:
    PPM16519-S1PCRB
    Availability:
    Ships Same Business Day
    Weight:
    5.22 LBS
    MFG Part #:
    PPM16519-S1PCRB
    $178.99
    Qty in Cart: 0
    Quantity:
    Price:
    $178.99
    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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