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
- Lower Control Arm Kit for 1978-88 GM Metric Street Stock & Hobby Stock, Includes Ball Joints & Greasable Bushings – This kit includes stamped steel lower control arms with black powdercoat finish, greasable bushings, and weld-in greasable ball joints for enhanced suspension performance. It is compatible with 1978-88 GM Metric G-Body vehicles and designed for street stock and hobby stock racing applications.
- Allstar Performance Metric Upper Control Arm Left 9in ALL57984 – This tubular upper control arm is designed for the driver side on GM Metric Frames, measuring 9.00 inches long with a bolt-in ball joint and steel construction finished in black powder coat. It features greasable pivot points and is ideal for hobby stock race cars, providing a perfect fit and function.
- Spring Cup Weight Jack Bolt Combo ONE PAIR IMCA Modified Dirt USRA B-Mod Cups – This kit includes two 8" long steel jack bolts with 1-8 course threads and two steel spring cups with a 5-inch outer diameter. It is designed for IMCA Modified, Dirt, and USRA B-Mod cups.
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
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BSB Shock Mount 2in Drop 7206
BSB MANUFACTURING
$25.99If you're running a BSB Birdcage setup and need precise suspension geometry tuning, this shock mount delivers the adjustability you need without custom fabrication. The 2-inch drop gives you fine-tuned ride height control for both street and track...BSB7206- SKU:
- BSB7206
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- MFG Part #:
- 7206
$25.99 -
BSB Frame Slider Steel DBL Sided 2.0in. 7055-20
BSB MANUFACTURING
$107.99If you're running a serious suspension setup, lateral chassis movement during hard cornering or track sessions will kill your handling consistency. This BSB frame slider brackets anchor your panhard bar with precision, eliminating flex and keeping your...BSB7055-20- SKU:
- BSB7055-20
- Availability:
- Ships Same Business Day
- Weight:
- 8.15 LBS
- MFG Part #:
- 7055-20
$107.99 -
BSB J-Bar XD Panhard Bar 20in - 22.75in Adj 7045-20
BSB MANUFACTURING
$224.99Panhard bars are critical for controlling lateral chassis movement and maintaining consistent suspension geometry during hard cornering. The BSB J-Bar XD delivers adjustability from 20 to 22.75 inches, allowing you to fine-tune your vehicle's roll center...BSB7045-20- SKU:
- BSB7045-20
- Availability:
- Ships Same Business Day
- Weight:
- 7.60 LBS
- MFG Part #:
- 7045-20
$224.99 -
BSB J-Bar Panhard Bar 20in.-22.750in. Adj 7039-20
BSB MANUFACTURING
$137.99A Panhard bar is essential for controlling lateral chassis movement during cornering, especially in high-performance or modified vehicles where suspension geometry demands precision. The BSB J-Bar design offers smooth articulation through spherical rod...BSB7039-20- SKU:
- BSB7039-20
- Availability:
- Ships Same Business Day
- Weight:
- 7.37 LBS
- MFG Part #:
- 7039-20
$137.99 -
BSB Steel Pinion Plate Adj 9in Climbing 7027
BSB MANUFACTURING
$158.99Pinion angle is critical for transfer case clearance, driveshaft vibration reduction, and consistent power delivery in high-performance applications. This steel plate gives you tool-free height adjustment at the pinion mount, eliminating the guesswork...BSB7027- SKU:
- BSB7027
- Availability:
- Ships Same Business Day
- Weight:
- 6.55 LBS
- MFG Part #:
- 7027
$158.99 -
BSB Coil Over Kit 5in Dia. Bilsten & BSB Shocks 6650-B
BSB MANUFACTURING
$160.99A quality coil-over suspension transforms your vehicle's handling, ride quality, and track performance by allowing independent adjustment of spring rate and damping. This BSB kit pairs proven Bilstein monotube shock technology with precision-engineered...BSB6650-B- SKU:
- BSB6650-B
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- MFG Part #:
- 6650-B
$160.99 -
BSB Pinion Mount Double Sided Adjustable w/seal 4039s
BSB MANUFACTURING
$164.99Proper pinion angle is critical for consistent traction and preventing driveline vibration under load—this adjustable mount gives you the precision tuning needed for optimal power delivery. The double-sided design and quick-change setup mean you can dial...BSB4039S- SKU:
- BSB4039S
- Availability:
- Ships Same Business Day
- Weight:
- 5.41 LBS
- MFG Part #:
- 4039s
$164.99Qty in Cart: 0Quantity:Price:$164.99Subtotal: -
BSB Climbing Frame Slider Rocket 3048-20
BSB MANUFACTURING
$183.99Fine-tuning your suspension geometry mid-session shouldn't mean breaking out the full toolkit. The BSB Climbing Frame Slider Rocket gives you precise J-Bar angle adjustment with a single wrench, keeping your setup dialed without costly downtime or...BSB3048-20- SKU:
- BSB3048-20
- Availability:
- Ships Same Business Day
- Weight:
- 5.21 LBS
- MFG Part #:
- 3048-20
$183.99 -
Bilstein Shock Shaft 9in E4-KS2-Z060A19
BILSTEIN
$38.49If you're running Bilstein SN Series shocks, a worn or damaged shock shaft will compromise your suspension's damping characteristics and predictability on track or trail. This OEM-spec 9-inch shock shaft restores proper internal geometry and seal...BILE4-KS2-Z060A19- SKU:
- BILE4-KS2-Z060A19
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- E4-KS2-Z060A19
$38.49 -
Bilstein Shock Shaft 7in E4-KS2-Z060A00
BILSTEIN
$38.49The Bilstein Shock Shaft 7in E4-KS2-Z060A00 is engineered for racers and serious enthusiasts who demand reliability under extreme suspension demands. Whether you're replacing a worn shaft or building a custom suspension setup, this OEM-quality component...BILE4-KS2-Z060A00- SKU:
- BILE4-KS2-Z060A00
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
- MFG Part #:
- E4-KS2-Z060A00
$38.49 -
Bilstein 46mm Teflon Piston Band E4-KR2-X001A02
BILSTEIN
$2.18Shock performance degrades when piston bands wear, causing inconsistent damping and unpredictable handling characteristics during aggressive driving or racing. The Bilstein 46mm Teflon Piston Band restores proper fluid sealing and responsiveness,...BILE4-KR2-X001A02- SKU:
- BILE4-KR2-X001A02
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- E4-KR2-X001A02
$2.18 -
Bilstein Spring Check Valve E4-FE6-Z003A03
BILSTEIN
$2.73Shock damping performance depends on precise valve control, and a worn or compromised check valve can lead to inconsistent compression and rebound characteristics. The Bilstein Spring Check Valve E4-FE6-Z003A03 restores the critical flow regulation your...BILE4-FE6-Z003A03- SKU:
- BILE4-FE6-Z003A03
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- E4-FE6-Z003A03
$2.73 -
Bilstein Disc 31/20 Check Valve E4-FE1-Z011A01
BILSTEIN
$1.59Check valves are critical flow-control components in high-performance suspension systems, directly influencing damping characteristics and ride quality. A worn or incorrectly sized check valve compromises shock performance and can lead to unpredictable...BILE4-FE1-Z011A01- SKU:
- BILE4-FE1-Z011A01
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- E4-FE1-Z011A01
$1.59 -
Bilstein Piston 8 ID 46 Digressve E4-AK1-Z033A00
BILSTEIN
$35.76The Bilstein Piston 8 ID 46 Digressive is engineered for serious suspension tuning, delivering progressive damping control that responds intelligently to both low-speed and high-speed compression events. If you're rebuilding a high-performance shock or...BILE4-AK1-Z033A00- SKU:
- BILE4-AK1-Z033A00
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- MFG Part #:
- E4-AK1-Z033A00
$35.76 -
Bilstein Schrader Valve Chrome B4-XD0-Z006A01
BILSTEIN
$3.96A reliable Schrader valve is essential for maintaining proper tire pressure and system integrity across your racing or high-performance setup. Whether you're managing tire pressures during track days or maintaining consistency in your suspension system,...BILB4-XD0-Z006A01- SKU:
- BILB4-XD0-Z006A01
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- B4-XD0-Z006A01
$3.96 -
Bilstein 7in SZ Tube / Body B4-RK2-Z102A51
BILSTEIN
$45.03The Bilstein SZ Series shock body is engineered for serious builders and racers who demand precision-tuned suspension geometry. This 7-inch tube delivers the foundation for custom damping calibration, allowing you to dial in your suspension setup for...BILB4-RK2-Z102A51- SKU:
- BILB4-RK2-Z102A51
- Availability:
- Ships Same Business Day
- Weight:
- 1.58 LBS
- MFG Part #:
- B4-RK2-Z102A51
$45.03 -
Bilstein Eye Ring Assembly B4-LG0-Z043A01
BILSTEIN
$38.49A worn or damaged eye ring assembly compromises your suspension's ability to articulate smoothly and maintain precise alignment under load. This Bilstein spherical bearing eye ring restores the connection between your shock absorber and chassis,...BILB4-LG0-Z043A01- SKU:
- BILB4-LG0-Z043A01
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- MFG Part #:
- B4-LG0-Z043A01
$38.49 -
Bilstein 2.5in C/O Kit for 2in ASN Shock B4-KT1-Z245A01
BILSTEIN
$66.95Fine-tuning your suspension geometry requires a coil-over kit engineered for precision and adjustability. This Bilstein 2.5in C/O Kit delivers the ride-height control and spring rate flexibility you need to dial in your setup without compromising the...BILB4-KT1-Z245A01- SKU:
- BILB4-KT1-Z245A01
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MFG Part #:
- B4-KT1-Z245A01
$66.95 -
Bilstein 1-7/8in C/O Kit for 36mm Shock B4-BOA-0000187
BILSTEIN
$61.40A proper coil-over setup is essential for dialing in ride height, spring rate, and suspension geometry—whether you're chasing lap times or fine-tuning your daily driver. This Bilstein kit pairs a precision-engineered aluminum perch with a 1-7/8in coil...BILB4-BOA-0000187- SKU:
- BILB4-BOA-0000187
- Availability:
- Ships Same Business Day
- Weight:
- 0.49 LBS
- MFG Part #:
- B4-BOA-0000187
$61.40 -
Bilstein Digressive Valve Kit B4-BOA-0000150
BILSTEIN
$402.87Digressive valve technology allows your shock absorbers to respond differently across the compression stroke, delivering compliance over small bumps while maintaining control under hard cornering and braking. This Bilstein kit gives you the tuning...BILB4-BOA-0000150- SKU:
- BILB4-BOA-0000150
- Availability:
- Ships Same Business Day
- Weight:
- 6.01 LBS
- MFG Part #:
- B4-BOA-0000150
$402.87
