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
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Hyperco Front Spring 5in ID 9.9in Tall 18Y0425-9.9
HYPERCO
$98.00A properly matched front spring is critical for achieving consistent suspension geometry and predictable handling characteristics during acceleration and braking. The Hyperco 425 lb/in rate delivers the stiffness needed for precision cornering without...HYP18Y0425-9.9- SKU:
- HYP18Y0425-9.9
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
$98.00 -
Hyperco Front Spring 5in ID 9.9in Tall 18Y0400-9.9
HYPERCO
$98.00Precision suspension geometry demands springs engineered to exact specifications, and the Hyperco Front Spring delivers the consistent load support your build requires. With a 400 lb/in rate and compact 9.9-inch height, this coil spring integrates...HYP18Y0400-9.9- SKU:
- HYP18Y0400-9.9
- Availability:
- Ships Same Business Day
- Weight:
- 5.80 LBS
$98.00 -
Hyperco Front Spring 5in ID 9.9in Tall 18Y0350-9.9
HYPERCO
$98.00A precision-engineered front coil spring is fundamental to your suspension's ability to manage load, maintain ride height, and deliver consistent handling characteristics across varying track conditions. The Hyperco 18Y0350-9.9 delivers a medium-stiff...HYP18Y0350-9.9- SKU:
- HYP18Y0350-9.9
- Availability:
- Ships Same Business Day
- Weight:
- 5.40 LBS
$98.00 -
Hyperco Rear Spring 5in ID 16in Tall 18SNU-085
HYPERCO
$98.00Rear suspension geometry demands precision, and the Hyperco 5in ID coil spring delivers the consistent spring rate your setup requires for predictable handling and load management. At 85 lb/in, this spring rate strikes the balance between compliance and...HYP18SNU-085- SKU:
- HYP18SNU-085
- Availability:
- Ships Same Business Day
- Weight:
- 5.15 LBS
$98.00 -
Hyperco Rear Spring 5in ID 20in Tall 18SNT-050
HYPERCO
$122.00A properly tuned rear spring is fundamental to chassis balance and handling predictability—especially in performance applications where weight transfer and suspension compliance directly impact lap times. The Hyperco 18SNT-050 delivers a moderate 50...HYP18SNT-050- SKU:
- HYP18SNT-050
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$122.00 -
Hyperco Coil Over Spring 2.5in ID 6in Tall 186B1100
HYPERCO
$86.00If you're running a serious suspension setup, spring rate matching is non-negotiable—and this Hyperco coil-over delivers the stiffness you need for consistent handling and minimal deflection under load. At 1100 lb/in, it's engineered for road racing,...HYP186B1100- SKU:
- HYP186B1100
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
$86.00Qty in Cart: 0Quantity:Price:$86.00Subtotal: -
Hyperco Coil Over Spring 2.25in ID 5in Tall 185A0850
HYPERCO
$102.00A precision-engineered coil-over spring that delivers consistent, predictable suspension geometry for street and road racing applications. The 850 lb/in spring rate provides the stiffness needed for responsive handling without sacrificing ride quality,...HYP185A0850- SKU:
- HYP185A0850
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$102.00 -
Hyperco Coil Over Spring 2.25in ID 5in Tall 185A0550
HYPERCO
$102.00If you're building a dedicated track car or performance suspension setup, a properly matched coil-over spring is non-negotiable for consistent handling and predictable weight transfer. The Hyperco 185A0550 delivers a stiff 550 lb/in rate in a compact...HYP185A0550- SKU:
- HYP185A0550
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$102.00 -
Hyperco Coil Over Spring 2.5in ID 12in Tall 1812B085
HYPERCO
$86.00If you're building a coil-over suspension system and need a spring that delivers predictable, linear support without compromise, the Hyperco 1812B085 is engineered for precision handling and consistent performance across demanding track conditions. With...HYP1812B085- SKU:
- HYP1812B085
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
$86.00 -
Hyperco Coil Over Spring 2.5in ID 10in Tall 1810B085
HYPERCO
$86.00If you're building or upgrading a coil-over suspension system, spring rate is everything—and 85 lb/in is the sweet spot for street-tuned performance vehicles and mid-range track applications. This Hyperco spring delivers consistent load support without...HYP1810B085- SKU:
- HYP1810B085
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
$86.00 -
Hyperco Coil Over Spring 2.5in ID 12in Tall UHT 12B0185UHT
HYPERCO
$110.00If you're building a suspension system that demands precision and reliability under extreme conditions, the Hyperco Coil Over Spring delivers the stiffness and consistency that separates competitive setups from amateur builds. With a 185 lb/in spring...HYP12B0185UHT- SKU:
- HYP12B0185UHT
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
$110.00 -
Hyperco Coil Over Spring 2.5in ID 12in Tall UHT 12B0162UHT
HYPERCO
$110.00If you're building a performance suspension that demands precision tuning and reliability under race conditions, the Hyperco Coil Over Spring delivers the stiffness and consistency you need. With a 162 lb/in rate, this spring offers a direct path to...HYP12B0162UHT- SKU:
- HYP12B0162UHT
- Availability:
- Ships Same Business Day
- Weight:
- 3.65 LBS
$110.00 -
Howe Outer Replacement Sleeve 22915 A-Arm Bushing 56001004
HOWE
$16.99Control arm bushings are critical wear items that directly impact your vehicle's handling precision and suspension geometry. When the outer bushing on your lower A-arm degrades, you'll experience increased play, wandering steering, and accelerated tire...HOW56001004- SKU:
- HOW56001004
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$16.99 -
Howe Rt. Trailing Arm Adjuster Tall 318925R
HOWE
$136.99Trailing arm geometry directly impacts your suspension's handling characteristics, cornering stability, and weight transfer during acceleration. The Howe Rt. Trailing Arm Adjuster Tall gives you the adjustability needed to dial in your suspension for...HOW318925R- SKU:
- HOW318925R
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
$136.99 -
Howe LS Trailing Arm Adjuster Tall 318925L
HOWE
$136.99Precise rear suspension geometry is non-negotiable when you're extracting maximum performance from your LS platform. The Howe LS Trailing Arm Adjuster Tall gives you fine-tuned control over pinion angle and suspension alignment, directly impacting...HOW318925L- SKU:
- HOW318925L
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
$136.99 -
Howe Load Bolt 1in-14 x 8in 30051
HOWE
$50.99Howe Load Bolts are critical fastening components for high-performance suspension and drivetrain assemblies where precision fit and reliable clamping are non-negotiable. This 1in-14 x 8in specification is engineered to withstand the extreme forces...HOW30051- SKU:
- HOW30051
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$50.99 -
Howe Sway Bar Adjuster Frame mount 23990
HOWE
$120.99Fine-tuning your sway bar stiffness on the fly is critical for dialing in chassis balance across different track conditions and setup configurations. The Howe Sway Bar Adjuster Frame Mount eliminates the need for multiple sway bars or time-consuming...HOW23990- SKU:
- HOW23990
- Availability:
- Ships Same Business Day
- Weight:
- 2.82 LBS
$120.99 -
Howe Lower C-Arm Thrd Ball Jt 15.6 229615
HOWE
$91.99A quality lower control arm is fundamental to chassis geometry and suspension responsiveness—this Howe tubular design delivers the rigidity and precision necessary for consistent handling across varied track conditions. The screw-in ball joint allows for...HOW229615- SKU:
- HOW229615
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
$91.99 -
Howe Precision Lower A-Arm Bushing 22956 & 22957 22924
HOWE
$102.99Worn or degraded lower A-arm bushings introduce unwanted play in your suspension geometry, compromising steering precision and increasing tire wear. Howe's precision-engineered steel bushings restore OEM fitment tolerances while delivering the durability...HOW22924- SKU:
- HOW22924
- Availability:
- Ships Same Business Day
- Weight:
- 2.22 LBS
$102.99 -
Howe Mount Upper A Arm 1in Taller Slotted for Keys 22616
HOWE
$41.99Geometry adjustments are critical in high-performance racing, and the Howe Mount Upper A Arm gives you precise control over your suspension setup. The 1-inch taller design shifts your instant center, improving weight transfer and handling characteristics...HOW22616- SKU:
- HOW22616
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
$41.99
