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 8in Coil-Over 2.5in ID 0800.250.0475
EIBACH
$82.00A properly tuned suspension starts with the right spring rate, and this 475 lb/in coil-over delivers the stiffness needed for consistent handling without sacrificing ride quality. Whether you're dialing in a street performance build or fine-tuning a...EIB0800.250.0475- SKU:
- EIB0800.250.0475
- Availability:
- Ships Same Business Day
- Weight:
- 3.52 LBS
$82.00 -
Spring 8in Coil-Over 2.5in ID 0800.250.0450
EIBACH
$82.00If you're building a performance suspension system or upgrading your coil-over setup, spring rate is everything—and this 450 lb/in unit delivers the stiffness needed for responsive handling without sacrificing adjustability. Whether you're fine-tuning a...EIB0800.250.0450- SKU:
- EIB0800.250.0450
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
$82.00 -
Spring 8in Coil-Over 2.5in ID 0800.250.0425
EIBACH
$82.00If you're building a performance suspension setup that demands precision tuning, this 8-inch coil-over spring delivers the stiffness needed for controlled handling without compromising ride quality. The 425 lb/in spring rate strikes the balance between...EIB0800.250.0425- SKU:
- EIB0800.250.0425
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
$82.00 -
Spring 8in Coil-Over 2.5in ID 0800.250.0400
EIBACH
$82.00A quality coil-over spring is the foundation of responsive suspension tuning, allowing you to dial in the exact spring rate your setup demands. This 8-inch coil-over delivers 400 lb/in of progressive support in a compact package, making it ideal for...EIB0800.250.0400- SKU:
- EIB0800.250.0400
- Availability:
- Ships Same Business Day
- Weight:
- 2.98 LBS
$82.00 -
Spring 8in Coil-Over 2.5in ID 0800.250.0375
EIBACH
$82.00If you're building a custom suspension setup or upgrading your coil-over system, spring rate and ride height control are non-negotiable. This 8-inch coil-over spring delivers a firm 375 lb/in rate, making it ideal for track-focused builds where...EIB0800.250.0375- SKU:
- EIB0800.250.0375
- Availability:
- Ships Same Business Day
- Weight:
- 2.99 LBS
$82.00 -
Spring 8in Coil-Over 2.5in ID 0800.250.0350
EIBACH
$82.00A properly matched coil-over spring is critical to achieving predictable suspension geometry and consistent lap times. This 350 lb/in spring delivers responsive handling characteristics without sacrificing ride quality, making it an ideal choice for both...EIB0800.250.0350- SKU:
- EIB0800.250.0350
- Availability:
- Ships Same Business Day
- Weight:
- 2.89 LBS
$82.00 -
Spring 8in Coil-Over 2.5in ID 0800.250.0325
EIBACH
$82.00A quality coil-over spring is fundamental to suspension tuning, directly affecting your vehicle's handling characteristics, ride height, and load support. This 8-inch coil-over delivers a firm 325 lb/in spring rate, making it ideal for performance...EIB0800.250.0325- SKU:
- EIB0800.250.0325
- Availability:
- Ships Same Business Day
- Weight:
- 2.71 LBS
$82.00 -
Spring 8in Coil-Over 2.5in ID 0800.250.0300
EIBACH
$82.00A properly tuned suspension starts with the right spring rate, and this 8-inch coil-over delivers the responsiveness you need for consistent track performance or aggressive street driving. At 300 lb/in, this spring offers a balanced compromise between...EIB0800.250.0300- SKU:
- EIB0800.250.0300
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
$82.00 -
Spring 8in Coil-Over 2.5in ID 0800.250.0275
EIBACH
$82.00A properly tuned suspension starts with the right spring rate, and this 275 lb/in coil-over delivers the responsiveness you need for track work or aggressive street performance. The 8-inch length and 2.5-inch ID make it a versatile choice for custom...EIB0800.250.0275- SKU:
- EIB0800.250.0275
- Availability:
- Ships Same Business Day
- Weight:
- 2.54 LBS
$82.00 -
Spring 8in Coil-Over 2.5in ID 0800.250.0250
EIBACH
$82.00A precision coil-over spring designed for custom suspension builds and performance applications where you need predictable, linear spring rates and tight fitment control. The 250 lb/in rate delivers responsive handling without sacrificing ride quality,...EIB0800.250.0250- SKU:
- EIB0800.250.0250
- Availability:
- Ships Same Business Day
- Weight:
- 2.28 LBS
$82.00 -
Spring 8in Coil-Over 2.5in ID 0800.250.0225
EIBACH
$82.00A coil-over suspension demands a spring engineered to handle both track demands and real-world durability. This 8-inch coil-over spring delivers a stiff 225 lb/in rate, providing the control and responsiveness needed for aggressive driving without...EIB0800.250.0225- SKU:
- EIB0800.250.0225
- Availability:
- Ships Same Business Day
- Weight:
- 2.38 LBS
$82.00 -
Spring 8in Coil-Over 2.5in ID 0800.250.0200
EIBACH
$82.00A properly tuned suspension starts with the right spring rate, and this 8-inch coil-over delivers predictable, linear load support for both street and track applications. At 200 lb/in, this spring maintains consistent ride height and geometry under...EIB0800.250.0200- SKU:
- EIB0800.250.0200
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$82.00 -
Spring 8in Coil-Over 2.5in ID 0800.250.0175
EIBACH
$82.00A properly tuned suspension starts with the right spring rate, and this 8-inch coil-over delivers the 175 lb/in stiffness needed for responsive handling without sacrificing ride quality. Whether you're fine-tuning a road course setup or dialing in a...EIB0800.250.0175- SKU:
- EIB0800.250.0175
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
$82.00 -
Spring 8in Coil-Over 2.5in ID 0800.250.0150
EIBACH
$82.00Precision suspension tuning demands springs engineered to exacting standards—this 8-inch coil-over delivers predictable, linear rate characteristics essential for dialing in your setup. With a 150 lb/in spring rate and 2.5-inch inner diameter, it...EIB0800.250.0150- SKU:
- EIB0800.250.0150
- Availability:
- Ships Same Business Day
- Weight:
- 1.97 LBS
$82.00 -
Spring 8in Coil-Over 2.25in ID 0800.225.0800
EIBACH
$85.00Fine-tuning your suspension geometry requires a spring that delivers predictable, consistent support across your entire range of motion. This 800 lb/in coil-over spring offers the stiffness needed for aggressive cornering and load transfer without...EIB0800.225.0800- SKU:
- EIB0800.225.0800
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
$85.00 -
Spring 8in Coil-Over 2.25in ID 0800.225.0700
EIBACH
$85.00If you're building a performance suspension that demands precision tuning, this 8-inch coil-over spring delivers the stiff 700 lb/in rate needed for responsive handling and consistent load support across varied track conditions. The compact 2.25-inch...EIB0800.225.0700- SKU:
- EIB0800.225.0700
- Availability:
- Ships Same Business Day
- Weight:
- 3.85 LBS
$85.00 -
Spring 8in Coil-Over 2.25in ID 0800.225.0600
EIBACH
$85.00A properly tuned coil-over spring is fundamental to suspension geometry and chassis control—this 8-inch unit delivers a stiff 600 lb/in rate ideal for track applications where consistent spring rates matter. Whether you're fine-tuning your setup or...EIB0800.225.0600- SKU:
- EIB0800.225.0600
- Availability:
- Ships Same Business Day
- Weight:
- 3.61 LBS
$85.00 -
Spring 8in Coil-Over 2.25in ID 0800.225.0550
EIBACH
$85.00A properly tuned coil-over spring is the foundation of responsive suspension geometry and consistent lap times. This 550 lb/in spring delivers the valving support needed for aggressive cornering without compromising ride quality, making it essential for...EIB0800.225.0550- SKU:
- EIB0800.225.0550
- Availability:
- Ships Same Business Day
- Weight:
- 3.39 LBS
$85.00 -
Spring 8in Coil-Over 2.25in ID 0800.225.0500
EIBACH
$85.00A properly matched coil-over spring is the foundation of responsive, predictable suspension tuning. This 500 lb/in rate spring delivers the stiffness needed for precise load control without sacrificing ride quality, making it ideal for both track...EIB0800.225.0500- SKU:
- EIB0800.225.0500
- Availability:
- Ships Same Business Day
- Weight:
- 3.07 LBS
$85.00 -
Spring 8in Coil-Over 2.25in ID 0800.225.0450
EIBACH
$85.00A properly tuned coil-over spring is fundamental to chassis balance and suspension responsiveness. This 450 lb/in rate spring delivers the stiffness needed for controlled body roll and consistent cornering geometry, whether you're dialing in a road...EIB0800.225.0450- SKU:
- EIB0800.225.0450
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$85.00