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
-
Spring 10in Coil-Over 2.5in OD 1000.250.0350
EIBACH
$85.00Fine-tuning your suspension geometry requires a spring rate that matches your application precisely—this 350 lb/in coil-over delivers predictable, linear load support without the guesswork of generic off-the-shelf solutions. Whether you're dialing in a...EIB1000.250.0350- SKU:
- EIB1000.250.0350
- Availability:
- Ships Same Business Day
- Weight:
- 4.03 LBS
$85.00 -
Spring 10in Coil-Over 2.5in OD 1000.250.0325
EIBACH
$85.00Precision suspension tuning demands a spring rate matched to your specific setup, and this 325 lb/in coil-over delivers predictable, linear response without compromise. Whether you're dialing in a road course platform or fine-tuning a street-strip build,...EIB1000.250.0325- SKU:
- EIB1000.250.0325
- Availability:
- Ships Same Business Day
- Weight:
- 3.82 LBS
$85.00 -
Spring 10in Coil-Over 2.5in OD 1000.250.0300
EIBACH
$85.00A properly tuned suspension starts with the right spring rate, and this 300 lb/in coil-over delivers the stiffness needed for precise handling without sacrificing ride quality on street or track applications. The 10-inch length and 2.5-inch OD make this...EIB1000.250.0300- SKU:
- EIB1000.250.0300
- Availability:
- Ships Same Business Day
- Weight:
- 3.69 LBS
$85.00 -
Spring 10in Coil-Over 2.5in OD 1000.250.0275
EIBACH
$85.00A properly matched coil-over spring is essential for building a suspension system that delivers predictable handling and consistent performance under load. This 275 lb/in spring rate strikes the balance between supporting vehicle weight and maintaining...EIB1000.250.0275- SKU:
- EIB1000.250.0275
- Availability:
- Ships Same Business Day
- Weight:
- 3.51 LBS
$85.00 -
Spring 10in Coil-Over 2.5in OD 1000.250.0250
EIBACH
$85.00Precision suspension tuning demands springs engineered for consistency and durability—this 10-inch coil-over delivers exactly that with a stiff 250 lb/in rate built for responsive handling and controlled load transfer. Whether you're fine-tuning a track...EIB1000.250.0250- SKU:
- EIB1000.250.0250
- Availability:
- Ships Same Business Day
- Weight:
- 3.46 LBS
$85.00 -
Spring 10in Coil-Over 2.5in OD 1000.250.0225
EIBACH
$85.00Fine-tuning your suspension geometry requires springs engineered to precise specifications—this 225 lb/in coil-over delivers the consistency and durability demanded by track-focused builds. Whether you're dialing in a road course setup or building a...EIB1000.250.0225- SKU:
- EIB1000.250.0225
- Availability:
- Ships Same Business Day
- Weight:
- 2.99 LBS
$85.00 -
Spring 10in Coil-Over 2.5in OD 1000.250.0200
EIBACH
$85.00A precision-engineered coil-over spring built for applications demanding consistent load support and tunable suspension geometry. The 200 lb/in spring rate delivers responsive handling characteristics without sacrificing ride quality, making it ideal for...EIB1000.250.0200- SKU:
- EIB1000.250.0200
- Availability:
- Ships Same Business Day
- Weight:
- 2.92 LBS
$85.00 -
Spring 10in Coil-Over 2.5in OD 1000.250.0175
EIBACH
$85.00If you're building a lightweight suspension setup or fine-tuning your coil-over geometry, spring rate selection is critical to chassis balance and handling response. This 10-inch coil-over spring delivers a moderate 175 lb/in rate—ideal for...EIB1000.250.0175- SKU:
- EIB1000.250.0175
- Availability:
- Ships Same Business Day
- Weight:
- 2.87 LBS
$85.00 -
Spring 10in Coil-Over 2.5in OD 1000.250.0162
EIBACH
$85.00A properly tuned suspension starts with the right spring rate, and this 10-inch coil-over delivers predictable, linear resistance for consistent handling across varying track conditions. Whether you're fine-tuning a road course setup or dialing in a drag...EIB1000.250.0162- SKU:
- EIB1000.250.0162
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
$85.00 -
Spring 10in Coil-Over 2.5in OD 1000.250.0150
EIBACH
$85.00Fine-tuning suspension geometry requires precision components that won't compromise under load. This 10-inch coil-over spring delivers a consistent 150 lb/in rate, giving you the predictable spring force needed for both street and track setups. The...EIB1000.250.0150- SKU:
- EIB1000.250.0150
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
$85.00 -
Spring 10in Coil-Over 1.88in ID 1000.188.0350
EIBACH
$80.00A properly matched coil-over spring is the foundation of responsive suspension geometry and consistent handling on track or street. This 350 lb/in rate spring delivers the support needed for vehicles running aggressive setups without sacrificing ride...EIB1000.188.0350- SKU:
- EIB1000.188.0350
- Availability:
- Ships Same Business Day
- Weight:
- 3.26 LBS
$80.00 -
Spring 10in Coil-Over 1.88in ID 1000.188.0300
EIBACH
$80.00If you're tuning a coil-over suspension system, spring rate is everything—and 300 lb/in gives you the precision needed for responsive handling without sacrificing ride quality. This 10-inch coil-over spring is engineered to match modern performance...EIB1000.188.0300- SKU:
- EIB1000.188.0300
- Availability:
- Ships Same Business Day
- Weight:
- 3.74 LBS
$80.00 -
Spring 9.5in Front Conventional 5.5in OD 0950.550.1300
EIBACH
$90.00If you're building a dedicated track car or race vehicle, suspension geometry demands precision—and that starts with the right spring rate matched to your setup. This 1300 lb/in coil spring delivers the stiffness needed for consistent load support...EIB0950.550.1300- SKU:
- EIB0950.550.1300
- Availability:
- Ships Same Business Day
- Weight:
- 13.02 LBS
$90.00 -
Spring 9.5in Front Conventional 5.5in OD 0950.550.1200
EIBACH
$90.00If you're building a competition-grade suspension setup or upgrading your coil-over system, spring rate is everything—and a 1200 lb/in rate delivers the responsive, predictable handling needed for serious track work. This conventional coil spring pairs...EIB0950.550.1200- SKU:
- EIB0950.550.1200
- Availability:
- Ships Same Business Day
- Weight:
- 12.26 LBS
$90.00 -
Spring 9.5in Front Conventional 5.5in OD 0950.550.1150
EIBACH
$90.00If you're building or tuning a performance suspension, spring rate is everything—and this 1150 lb/in coil spring delivers the stiffness needed for precise handling without sacrificing ride quality. Whether you're fine-tuning a track car or upgrading a...EIB0950.550.1150- SKU:
- EIB0950.550.1150
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
$90.00 -
Spring 9.5in Front Conventional 5.5in OD 0950.550.1100
EIBACH
$90.00If you're building a dedicated race suspension or upgrading your coil-over setup, spring rate directly impacts your car's handling responsiveness and load transfer. This 1100 lb/in front spring delivers the stiffness needed for precise corner control...EIB0950.550.1100- SKU:
- EIB0950.550.1100
- Availability:
- Ships Same Business Day
- Weight:
- 11.25 LBS
$90.00 -
Spring 9.5in Front Conventional 5.5in OD 0950.550.1050
EIBACH
$90.00If you're building a high-performance suspension system or upgrading your coil-over setup, spring rate is everything—and this 1050 lb/in front spring delivers the progressive support your chassis needs for precise handling without sacrificing ride...EIB0950.550.1050- SKU:
- EIB0950.550.1050
- Availability:
- Ships Same Business Day
- Weight:
- 12.15 LBS
$90.00 -
Spring 9.5in Front Conventional 5.5in OD 0950.550.1000
EIBACH
$90.00If you're tuning a front-end suspension setup that demands responsive handling and predictable load control, this 1000 lb/in coil spring delivers the stiffness you need for consistent performance across varying track conditions. The 9.5-inch length and 5...EIB0950.550.1000- SKU:
- EIB0950.550.1000
- Availability:
- Ships Same Business Day
- Weight:
- 11.16 LBS
$90.00 -
Spring 9.5in Front Conventional 5.5in OD 0950.550.0950
EIBACH
$90.00A properly matched front coil spring is fundamental to achieving consistent suspension geometry and predictable handling characteristics on the track or street. This 950 lb/in spring rate delivers the support needed for aggressive driving while...EIB0950.550.0950- SKU:
- EIB0950.550.0950
- Availability:
- Ships Same Business Day
- Weight:
- 11.10 LBS
$90.00 -
Spring 9.5in Front Conventional 5.5in OD 0950.550.0900
EIBACH
$90.00When you're building a high-performance front suspension, spring rate is everything—and 900 lb/in gives you the stiffness needed for consistent load transfer and precise handling without sacrificing ride control. This 9.5-inch coil-over spring delivers...EIB0950.550.0900- SKU:
- EIB0950.550.0900
- Availability:
- Ships Same Business Day
- Weight:
- 10.28 LBS
$90.00
