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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Spring 15in Rear 5in OD 1500.500.0200
EIBACH
$90.00A precision-engineered rear coil spring designed for applications requiring a firm 200 lb/in spring rate and compact 15-inch package. This conventional steel spring delivers consistent load support and reliable suspension geometry, making it essential...EIB1500.500.0200- SKU:
- EIB1500.500.0200
- Availability:
- Ships Same Business Day
- Weight:
- 7.37 LBS
$90.00 -
Spring 15in Rear 5in OD 1500.500.0175
EIBACH
$90.00Rear suspension geometry demands precision, and this 15-inch coil spring delivers the consistent spring rate your setup needs for predictable handling and load support. Whether you're tuning a road course suspension or dialing in a street performance...EIB1500.500.0175- SKU:
- EIB1500.500.0175
- Availability:
- Ships Same Business Day
- Weight:
- 7.14 LBS
$90.00 -
Spring 15in Rear 5in OD 1500.500.0150
EIBACH
$90.00A properly matched rear spring is critical for maintaining suspension geometry and ensuring predictable handling characteristics across varying track conditions and load scenarios. This 150 lb/in coil spring delivers consistent support for vehicles...EIB1500.500.0150- SKU:
- EIB1500.500.0150
- Availability:
- Ships Same Business Day
- Weight:
- 6.69 LBS
$90.00 -
Spring 15in Rear 5in OD 1500.500.0125
EIBACH
$90.00A properly tuned rear suspension requires springs engineered to the exact specifications of your vehicle and driving demands. This 15-inch coil spring delivers a moderate 125 lb/in rate, making it ideal for street-driven performance cars and weekend...EIB1500.500.0125- SKU:
- EIB1500.500.0125
- Availability:
- Ships Same Business Day
- Weight:
- 6.78 LBS
$90.00 -
Spring 14in Coil-Over 3.0in ID 1400.300.0600S
EIBACH
$115.00If you're building a suspension system that demands precision tuning and consistent performance, this 600 lb/in coil-over spring delivers the stiffness needed for responsive handling without sacrificing reliability. Whether you're dialing in a track car...EIB1400.300.0600S- SKU:
- EIB1400.300.0600S
- Availability:
- Ships Same Business Day
- Weight:
- 9.90 LBS
$115.00 -
Spring 14in Coil-Over 2.5in ID Ext. Travel 1400.2530.0250
EIBACH
$99.00A quality coil-over spring is fundamental to any serious suspension setup—it directly impacts your car's handling, ride comfort, and overall performance consistency. This 14-inch spring delivers the extended travel you need for aggressive driving while...EIB1400.2530.0250- SKU:
- EIB1400.2530.0250
- Availability:
- Ships Same Business Day
- Weight:
- 5.70 LBS
$99.00 -
Spring 14in Coil-Over 2.5in ID Ext. Travel 1400.2530.0225
EIBACH
$99.00Coil-over suspension systems demand springs engineered for precision handling and consistent performance across a wide range of track conditions. This 14-inch XT Barrel coil spring delivers the extended travel and structural rigidity necessary for...EIB1400.2530.0225- SKU:
- EIB1400.2530.0225
- Availability:
- Ships Same Business Day
- Weight:
- 5.74 LBS
$99.00 -
Spring 14in Coil-Over 2.5in ID Ext. Travel 1400.2530.0175
EIBACH
$99.00If you're building a serious suspension setup, you need a coil-over that combines reliable damping performance with the adjustability to dial in your chassis geometry. This 14-inch coil-over spring delivers consistent load support across extended travel,...EIB1400.2530.0175- SKU:
- EIB1400.2530.0175
- Availability:
- Ships Same Business Day
- Weight:
- 4.70 LBS
$99.00 -
Spring 14in Coil-Over 2.5in ID 1400.250.0650s
EIBACH
$90.00A properly matched coil-over spring is foundational to suspension tuning—it determines how your chassis responds under load and directly impacts handling precision. This 650 lb/in spring rate delivers the stiffness needed for track applications while...EIB1400.250.0650S- SKU:
- EIB1400.250.0650S
- Availability:
- Ships Same Business Day
- Weight:
- 9.50 LBS
$90.00 -
Spring 14in Coil-Over 2.5in ID 1400.250.0600S
EIBACH
$90.00A properly matched coil-over spring is essential for building a suspension system that delivers predictable handling and consistent performance across your entire operating range. This 600 lb/in rate spring gives you the stiffness needed for spirited...EIB1400.250.0600S- SKU:
- EIB1400.250.0600S
- Availability:
- Ships Same Business Day
- Weight:
- 8.35 LBS
$90.00 -
Spring 14in Coil-Over 2.5in ID 1400.250.0500S
EIBACH
$90.00A properly tuned suspension starts with the right spring rate, and this 500 lb/in coil-over delivers predictable, linear response for vehicles requiring stiffer damping characteristics. Whether you're tuning a road course setup or fine-tuning bump...EIB1400.250.0500S- SKU:
- EIB1400.250.0500S
- Availability:
- Ships Same Business Day
- Weight:
- 7.43 LBS
$90.00 -
Spring 14in Coil-Over 2.5in ID 1400.250.0350
EIBACH
$90.00A properly matched coil-over spring is non-negotiable for suspension geometry and handling consistency. This 14-inch spring delivers a stiff 350 lb/in rate, ideal for road racing, autocross, and performance street applications where controlled body roll...EIB1400.250.0350- SKU:
- EIB1400.250.0350
- Availability:
- Ships Same Business Day
- Weight:
- 6.85 LBS
$90.00 -
Spring 14in Coil-Over 2.5in ID 1400.250.0300
EIBACH
$90.00Precision suspension tuning demands a spring that matches your specific setup—and this 14-inch coil-over delivers exactly that. With a 300 lb/in spring rate and 2.5-inch bore, you get the responsiveness needed for both road course and drag applications...EIB1400.250.0300- SKU:
- EIB1400.250.0300
- Availability:
- Ships Same Business Day
- Weight:
- 6.44 LBS
$90.00 -
Spring 14in Coil-Over 2.5in ID 1400.250.0250
EIBACH
$90.00A properly tuned suspension starts with the right spring rate, and this 250 lb/in coil-over delivers the responsive handling and consistent ride height your setup demands. Whether you're building a track-focused platform or fine-tuning a street machine,...EIB1400.250.0250- SKU:
- EIB1400.250.0250
- Availability:
- Ships Same Business Day
- Weight:
- 5.68 LBS
$90.00 -
Spring 14in Coil-Over 2.5in ID 1400.250.0225
EIBACH
$90.00A properly tuned suspension starts with the right spring rate for your application. This 14-inch coil-over spring delivers predictable, linear 225 lb/in resistance—ideal for road racing, autocross, and street performance setups where consistency and...EIB1400.250.0225- SKU:
- EIB1400.250.0225
- Availability:
- Ships Same Business Day
- Weight:
- 5.49 LBS
$90.00 -
Spring 14in Coil-Over 2.5in ID 1400.250.0200
EIBACH
$90.00A properly tuned suspension demands springs engineered for precise load control and consistent performance across varied track conditions. This 14-inch coil-over spring delivers a predictable 200 lb/in rate, giving you the responsiveness needed for...EIB1400.250.0200- SKU:
- EIB1400.250.0200
- Availability:
- Ships Same Business Day
- Weight:
- 5.13 LBS
$90.00 -
Spring 14in Coil-Over 2.5in ID 1400.250.0175
EIBACH
$90.00A quality coil-over spring is the foundation of predictable suspension tuning—this 14-inch unit gives you the stiffness needed for consistent body control and reduced dive under braking. The 175 lb/in rate strikes a balance between responsiveness and...EIB1400.250.0175- SKU:
- EIB1400.250.0175
- Availability:
- Ships Same Business Day
- Weight:
- 4.80 LBS
$90.00 -
Spring 14in Coil-Over 2.5in ID 1400.250.0150
EIBACH
$90.00A quality coil-over spring is the foundation of responsive suspension tuning. This 14-inch spring delivers a predictable 150 lb/in rate, giving you the control needed for consistent track performance or street-driven handling. Whether you're building a...EIB1400.250.0150- SKU:
- EIB1400.250.0150
- Availability:
- Ships Same Business Day
- Weight:
- 4.37 LBS
$90.00Qty in Cart: 0Quantity:Price:$90.00Subtotal: -
Spring 14in Coil-Over 2.5in ID 1400.250.0125S
EIBACH
$90.00A properly matched coil-over spring is foundational to suspension tuning—mismatched rates compromise handling, ride quality, and driver feedback. This 14-inch coil-over delivers a 125 lb/in spring rate in a compact 2.5-inch bore, making it ideal for...EIB1400.250.0125S- SKU:
- EIB1400.250.0125S
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
$90.00 -
Spring 14in Coil-Over 2.5in ID 1400.250.0120
EIBACH
$90.00A properly tuned suspension requires the right spring rate for your specific setup, and this 14-inch coil-over delivers predictable handling without compromise. Whether you're dialing in a road course car or fine-tuning your drag setup, the 120 lb/in...EIB1400.250.0120- SKU:
- EIB1400.250.0120
- Availability:
- Ships Same Business Day
- Weight:
- 4.17 LBS
$90.00
