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!
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- Qty in Cart
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- Price
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PPM Racing Suspension Limiter Bump Puck PPM0140
PPM RACING COMPONENTS
$63.99Suspension limiters are critical for controlling suspension travel and preventing destructive bottoming-out during aggressive driving or racing. The PPM Racing Suspension Limiter Bump Puck delivers consistent, tunable compliance through a durable steel...PPM0140- SKU:
- PPM0140
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$63.99 -
Washer Shims (10PK) .900x.008x.500 Valve VW-90008-10
PENSKE RACING SHOCKS
$20.00Shock valve tuning requires precision, and washer shims are the foundation of dialing in your suspension's compression and rebound characteristics. These steel discs allow you to fine-tune damping rates without replacing entire valve assemblies, saving...PENVW-90008-10- SKU:
- PENVW-90008-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$20.00 -
Washer 1.350 x .020 x .500 Valve (10pk) VW-135020
PENSKE RACING SHOCKS
$35.00Precision valve tuning is critical to dialing in your suspension's damping characteristics, and worn or incorrect shock valve discs compromise your setup's responsiveness and consistency. These OEM Penske shock valve washers are engineered to exact...PENVW-135020-10- SKU:
- PENVW-135020-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$35.00 -
Washer 1.350 x .012 x 1.200 Ring (10pk) VW-135012-1200
PENSKE RACING SHOCKS
$35.00Precision shock valve tuning demands exact component tolerances, and these OEM-spec washers are engineered to maintain proper valve clearance and pressure calibration in Penske shock systems. Whether you're dialing in damping characteristics for track...PENVW-135012-1200-10- SKU:
- PENVW-135012-1200-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$35.00 -
Washer Shims (10PK) 1.350x.012x.500 Valve VW-135012-10
PENSKE RACING SHOCKS
$25.00Shock valve tuning demands precision, and these washer shims give you the granular control needed to dial in your suspension's damping characteristics. Whether you're fine-tuning a Penske shock for track conditions or optimizing your setup between...PENVW-135012-10- SKU:
- PENVW-135012-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
$25.00 -
Washer 1.350 x .010 x .500 Valve (10pk) VW-135010
PENSKE RACING SHOCKS
$20.00Fine-tuning your Penske shock setup demands precision components that won't let you down on the track. These valve washers are engineered to exact tolerances—1.350" OD with a critical 0.010" thickness—ensuring consistent damping response and predictable...PENVW-135010-10- SKU:
- PENVW-135010-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$20.00 -
Washer 1.200 x .012 x .500 Valve (10pk) VW-120012
PENSKE RACING SHOCKS
$20.00Shock valve performance depends on precise flow control, and worn or damaged valve discs directly compromise your suspension's damping characteristics. These OEM-spec Penske shock valve washers restore critical hydraulic sealing and...PENVW-120012-10- SKU:
- PENVW-120012-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$20.00 -
Washer Shims (10PK) 1.200x.006x.500 Valve VW-120006-10
PENSKE RACING SHOCKS
$20.00Precision valve tuning demands exact shim thickness—even thousandths of an inch matter when you're dialing in shock response. These washer shims let you fine-tune damping characteristics without swapping entire valve assemblies, saving time and money...PENVW-120006-10- SKU:
- PENVW-120006-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$20.00 -
Shaft Wiper - .625 Poly Blue SL-09
PENSKE RACING SHOCKS
$11.25Shaft wipers are critical maintenance components that protect your shock internals from contamination and extend seal life—especially important if you're running high-performance Penske shocks in competitive or off-road environments. A worn or missing...PENSL-09- SKU:
- PENSL-09
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$11.25 -
Shaft Wiper .500 Disogrn (Wh) SL-06
PENSKE RACING SHOCKS
$11.25Shock shaft wipers are critical components that prevent contamination and fluid leakage from compromising your suspension performance. A degraded or missing wiper allows dirt, moisture, and debris to infiltrate the shock body, leading to accelerated...PENSL-06- SKU:
- PENSL-06
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$11.25 -
Replacement Shaft 7600 Series Non-Adj. 12.17 SH-76NA9
PENSKE RACING SHOCKS
$77.25If your 7600 Series shocks are showing wear or performance degradation, a worn metering rod directly impacts your suspension's ability to control damping and maintain consistent ride quality. This OEM replacement shaft restores your shocks to factory...PENSH-76NA9- SKU:
- PENSH-76NA9
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$77.25 -
Shaft - 7150 Series Non- Adj. 7in Short (9.82) SH-7157-S
PENSKE RACING SHOCKS
$77.25When you're pushing your suspension to its limits, you need a shock shaft that won't compromise under load. The 7150 Series delivers the rigidity and wear resistance demanded by serious racers and high-performance builds, backed by chrome plating for...PENSH-7157-S- SKU:
- PENSH-7157-S
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$77.25 -
Piston - 1-Degree Linear Digressive PI-DL005-1DG
PENSKE RACING SHOCKS
$182.25Fine-tune your suspension's damping characteristics with this precision-engineered shock piston, designed to deliver smooth, controlled compression and rebound across your suspension travel. The 1-degree linear digressive profile provides progressive...PENPI-DL005-1DG- SKU:
- PENPI-DL005-1DG
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$182.25 -
Piston Band - 55mm PB-55
PENSKE RACING SHOCKS
$33.25A worn or damaged piston band directly compromises your shock absorber's damping characteristics and can lead to inconsistent suspension response under hard cornering and braking. The PB-55 is a precision-engineered replacement that restores the seal...PENPB-55- SKU:
- PENPB-55
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$33.25 -
Shock Eyelet w/o Mono Ball EY-81160-C
PENSKE RACING SHOCKS
$121.50A quality shock eyelet is fundamental to suspension geometry and dampening performance—this aluminum component ensures precise articulation and load transfer at the shock's attachment point. Whether you're tuning a street car or dialing in a track setup,...PENEY-81160-C- SKU:
- PENEY-81160-C
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$121.50 -
Eyelet 3.6in High-Speed Blow-Off EY-7336HS
PENSKE RACING SHOCKS
$165.50A high-speed blow-off valve demands precision engineering to maintain boost integrity under extreme conditions. The Eyelet 3.6in High-Speed Blow-Off EY-7336HS delivers the durability and response you need when running aggressive boost levels, preventing...PENEY-7336HS- SKU:
- PENEY-7336HS
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
$165.50 -
Eyelet High Speed Blow Off - 2.6in EY-7326HS
PENSKE RACING SHOCKS
$165.50If you're rebuilding or upgrading your suspension system, a precision eyelet is non-negotiable—it's the connection point that directly transfers cornering loads from your shock shaft to your chassis. This 2.6-inch eyelet is CNC-machined aluminum with a...PENEY-7326HS- SKU:
- PENEY-7326HS
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$165.50 -
Eyelet Non-Adjustable EY-70NA
PENSKE RACING SHOCKS
$83.00A quality shock shaft eyelet is critical for reliable suspension geometry and load transfer in high-performance applications. This non-adjustable eyelet delivers precision fitment and durability without the complexity of adjustable alternatives, making...PENEY-70NA- SKU:
- PENEY-70NA
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$83.00Qty in Cart: 0Quantity:Price:$83.00Subtotal: -
Shock Eyelet w/Mono Ball & Retaining Rings AS-EY-81160-C
PENSKE RACING SHOCKS
$149.00A quality shock eyelet is critical to transferring suspension forces cleanly and maintaining consistent damping geometry throughout your suspension travel. This mono ball design isolates deflection to the spherical joint, eliminating bind and ensuring...PENAS-EY-81160-C- SKU:
- PENAS-EY-81160-C
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$149.00 -
7500 Shaft Bearing Assy. .500in ID AS-75THSB-500
PENSKE RACING SHOCKS
$94.00Precision shock assembly demands a bearing that can handle the constant micro-movements and load transitions of high-performance suspension. The 7500 Shaft Bearing Assembly delivers the clearance tolerances and durability required to maintain consistent...PENAS-75THSB-500- SKU:
- PENAS-75THSB-500
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$94.00
