Rear SPL Suspension Parts For Zl1 Camaro
The Camaro ZL1 is already a serious performance machine from the factory. With a supercharged 6.2L LT4 producing around 650 horsepower and a chassis designed for high-speed stability, the platform gives enthusiasts a strong starting point for both street and track driving. But once the car begins seeing aggressive cornering, track days, or higher power levels, suspension precision becomes more important. Upgrading rear suspension parts for ZL1 Camaro builds allows drivers to control alignment more accurately, reduce unwanted rear suspension movement, and maintain better tire contact under heavy load.
Griffin Motorsports proudly offers products from SPL Parts, a company recognized for building some of the most precise and durable suspension components in the industry. SPL Parts designs every piece for serious enthusiasts and racers who demand uncompromised performance. Their components are engineered for maximum strength, ultra-light weight, and precise adjustability — delivering a level of control and feedback that’s proven on both street and track.
Each part is CNC-machined in the USA from certified materials, TIG-welded by skilled fabricators, and hand-assembled with anti-seize treatment to ensure long-term reliability. With a focus on motorsport-grade tolerances and real-world testing, SPL Parts combines advanced engineering with craftsmanship that stands up to the harshest driving conditions.
Camaro and ATS/ATS-V Rear Toe Link Arm Links (RTA) #SPL RTA CAM6
Increase stability and response by eliminating bushing deflection while providing an increased range of rear toe adjustment, necessary for lowered cars or for performance alignments. Even small changes to ride height and camber will affect toe settings, and the wide range of adjustment allows you to maximize grip on a track car and extend tire life on a street car. The factory rear toe arms utilize an eccentric bolt and washer for adjustment and lack the precision and range that SPL Parts rear toe links offer. Black Anodized and gun drilled 2024 Aluminum main links along with our 360 degree Rotating Clamp design allow for quick and precise adjustment. The Rotating Clamps are tightened with Blue Anodized Titanium Socket Head Cap Screws for easy to access adjustment, and shaves even more unsprung weight, without compromising strength.
FK Spherical Bearings and Rod Ends are manufactured in Connecticut and utilize a Teflon liner to provide quiet operation, lower friction, smooth articulation, and eliminates bushing deflection under load. The liner is also self-lubricating and self-cleaning, offering robust reliability for street and track use. The PTFE liner is chemically bonded to the inner diameter of the race, and offers a very high load carrying capacity that has greatly increased dynamic wear characteristics. The operating temperature of the liner ranges from -65º to 325ºF, offering robust reliability.
SPL Parts Camaro/ATS Rear Toe Arms Features:
Gun drilled 2024 Aluminum Links to reduce unsprung weight
Blue Anodized Titanium Socket Head Cap Screws
6061-T6 Aluminum Rotating Clamp design
Teflon lined FK Heim Joints and Rod Ends
Camaro Rear Upper Traction Links (RUT) #SPL RUT CAM6
Increase stability and response by eliminating bushing deflection under hard acceleration and braking and help to reduce wheel hop on hard launches. SPL’s length adjustable links allow fine tuning of rear bumpsteer and anti squat characteristics. These arms are designed for use in high performance street and race vehicles.
SPL’s Rear Upper Traction Links feature gun drilled 2024 Aluminum center links, clamps, and clevises, along with Blue Anodized Titanium socket head cap screws and our 360 degree rotating clamp system. This combination provides superior strength, performance, durability, and ease of adjustment. Long gone are the days of fumbling with wrenches to tighten jam nuts while trying to trying to keep your bearings oriented correctly. A simple 3/16" allen key is all that is required to lock down your alignment settings!
FK Bearings rod ends manufactured in Connecticut feature a Teflon liner to provide quiet operation, low friction, smooth articulation, and eliminates bushing deflection under load. The PTFE liner is chemically bonded to the inner diameter of the race. The liner offers a very high load carrying capacity and has greatly increased dynamic wear characteristics. The operating temperatures of the liner ranges from -65º to 325ºF, offering robust reliability for both street and track use.
SPL Parts Adjustable Rear Upper Traction Arm Features:
Lightweight Aluminum, Stainless Steel and Titanium construction
Gun-drilled 2024 Aluminum to reduce unsprung weight
Computer Aided Design with the aid of Finite Element Analysis
Rotating Clamp design allows for easy access to lock down your alignment settings
High misalignment low friction 2 piece Teflon lined FK Heim Joints/Rod Ends
Camaro Rear Traction Links (RTR) #SPL RTR CAM6
Increase stability and response by eliminating bushing deflection under hard acceleration and braking and help to reduce wheel hop on hard launches. SPL’s length adjustable links allow fine tuning of rear bumpsteer and anti squat characteristics. These arms are designed for use in high performance street and race vehicles.
SPL’s Rear Traction Links feature gun drilled 2024 Aluminum center links, clamps, and clevises, along with Blue Anodized Titanium socket head cap screws and our 360 degree rotating clamp system. This combination provides superior strength, performance, durability, and ease of adjustment. Long gone are the days of fumbling with wrenches to tighten jam nuts while trying to trying to keep your bearings oriented correctly. A simple 3/16" allen key is all that is required to lock down your alignment settings!
FK Bearings rod ends manufactured in Connecticut feature a Teflon liner to provide quiet operation, low friction, smooth articulation, and eliminates bushing deflection under load. The PTFE liner is chemically bonded to the inner diameter of the race. The liner offers a very high load carrying capacity and has greatly increased dynamic wear characteristics. The operating temperatures of the liner ranges from -65º to 325ºF, offering robust reliability for both street and track use.
SPL Parts Camaro Rear Traction Links Features:
Gun drilled 2024 Aluminum Links to reduce unsprung weight
Blue Anodized Titanium Socket Head Cap Screws
6061-T6 Aluminum Rotating Clamp design
Low friction 3 piece Teflon lined FK Heim joints/Rod Ends
Camaro Rear Upper Arms (RUA) #SPL RUA CAM6
Greatly increase the range of rear camber adjustment for high performance track/street applications and are a must for lowered cars to meet alignment requirements. The adjustment range provided by the eccentric washer on the OEM control arm is insufficient to get camber back into proper spec.
SPL’s Rear Upper Links feature gun drilled 2024 Aluminum center links, clamps, and clevises, along with Blue Anodized Titanium socket head cap screws and our 360 degree rotating clamp system. This combination provides superior strength, performance, durability, and ease of adjustment. Long gone are the days of fumbling with wrenches to tighten jam nuts while trying to trying to keep your bearings oriented correctly. A simple 3/16" allen key is all that is required to lock down your alignment settings!
FK Spherical Rod Ends eliminate the soft worn out bushings on the stock links to reduce alignment change in the rear suspension under hard cornering, acceleration and braking. They feature a Teflon liner to provide quiet operation, low friction, smooth articulation, and eliminates bushing deflection under load. The PTFE liner is chemically bonded to the inner diameter of the race. The liner offers a very high load carrying capacity and has greatly increased dynamic wear characteristics. The operating temperatures of the liner ranges from -65º to 325ºF, offering robust reliability for both street and track use.
SPL Parts Adjustable Camaro Rear Toe Arms Features:
Gun drilled 2024 Aluminum Links to reduce unsprung weight
Blue Anodized Titanium Socket Head Cap Screws
6061-T6 Aluminum Rotating Clamp design
Low friction 3 piece Teflon lined FK Heim joints/Rod Ends
Camaro and ATS/ATSV Rear Swaybar Endlinks (RE) #SPL RE CAM6
For the Alpha platform feature massive Teflon lined FK 1/2" Bearings to provide the highest load capacity for use with stiffer aftermarket sway bars. Custom heat treated Chromoly High Misalignment studs connect to the sway bar and offer extreme articulation capability (65deg) to prevent the endlink from binding when used with different adjustment holes on aftermarket sway bars.
SPL’s Endlinks are length adjustable to eliminate preload on the sway bars, which can result from uneven settling of springs or uneven suspension heights from corner weighting. Black Anodized 6061-T6 Aluminum turnbuckles work in conjunction with the left and right hand threaded rod ends for simple and precise adjustment. These end links are perfect for street or race applications.
Gun drilled 2024 Aluminum Links to reduce unsprung weight
Blue Anodized Titanium Socket Head Cap Screws
6061-T6 Aluminum Rotating Clamp design
Teflon lined FK Heim Joints and Rod Ends
Applications:
2016+ Chevrolet Camaro (6th Generation)
2013-2019 Cadillac ATS/ATS V
NOTE: Some SPL products may be on special order. Please email us if you need these in a hurry.
SPL Rear Suspension Components
Griffin Motorsports proudly offers products from SPL Parts, a company recognized for building some of the most precise and durable suspension components in the industry. SPL Parts designs every piece for serious enthusiasts and racers who demand uncompromised performance. Their components are engineered for maximum strength, ultra-light weight, and precise adjustability — delivering a level of control and feedback that’s proven on both street and track... CLICK HERE TO READ MORE...
from $245.00
Understanding The Factory ZL1 Rear Suspension Setup
The sixth-generation Camaro ZL1 uses an independent multi-link rear suspension designed to balance grip, stability, and street comfort. Each rear wheel is controlled by several links that manage camber, toe, and lateral movement while keeping the tire planted during acceleration and cornering. Combined with Magnetic Ride Control dampers, the system delivers impressive stability for a production performance car.
For normal street driving, the factory setup works well. Rear camber is typically set around -1.3 ° to-1.5°, which supports tire longevity while maintaining predictable handling. The suspension geometry also keeps the car stable under hard acceleration from the LT4-powered drivetrain.
Where limitations start to appear is under aggressive driving or on the track. The factory rear links use rubber bushings that allow a small amount of flex under load. During hard cornering or throttle application, that movement can slightly change the rear toe and camber. Even small alignment shifts can affect how the rear of the car behaves during corner exit or quick transitions.
Adjustability is another factor. The factory components offer a limited alignment range, which can restrict drivers trying to dialing in more aggressive track settings. Many enthusiasts looking for Camaro ZL1 rear suspension parts eventually turn to adjustable links, which allow more precise tuning.
At Griffin Motorsports, we see many builds where suspension upgrades are paired with other performance improvements like LT4 supercharger enhancements or additional Camaro ZL1 aftermarket parts. As power and grip increase, controlling suspension movement becomes even more important.
Upgrading the rear suspension components helps reduce unwanted flex and allows more accurate alignment adjustments, which leads to more predictable handling and improved tire contact during high-performance driving.
Why Enthusiasts Choose SPL Components For The ZL1 Rear Suspension Upgrades
Serious ZL1 drivers eventually reach the point where factory suspension flexibility starts to hold the car back. SPL components are built to address those limitations by improving alignment stability and giving drivers more precise control over suspension geometry. Here are the main reasons many enthusiasts turn to SPL parts for their ZL1 builds:
Reduced Bushing Deflection
Factory rear suspension links use rubber bushings to reduce noise and vibration. While that works well for street comfort, those bushings can flex under heavy cornering loads. Even a few millimeters of movement can change toe and camber slightly during a corner.
SPL components replace rubber bushings with motorsport-grade spherical bearings. These bearings keep the suspension arms from flexing under load, helping maintain consistent alignment and keeping the rear tires planted through turns.
Precise Alignment Adjustability
Track driving often requires more aggressive alignment settings than the factory hardware allows. Adjustable SPL suspension arms allow fine-tuning of camber and toe with far greater precision.
For example, many track-focused ZL1 setups run rear camber closer to -2 degrees, depending on tire compound and driving style. Adjustable arms allow these changes without compromising suspension geometry or stressing factory components.
Stronger Materials And Motorsport Design
SPL suspension arms are machined from high-strength materials and designed for motorsport-level loads. Compared to stamped factory arms, these parts are engineered to handle the increased forces that come with sticky tires and higher power output.
At Griffin Motorsports, many customers install these suspension upgrades alongside other Camaro ZL1 performance parts. As grip and power increase, stronger suspension components help keep the rear end stable under heavy acceleration and corner exit.
Designed To Work With Performance Upgrades
Rear suspension upgrades rarely happen in isolation. Many ZL1 owners upgrading their suspension are also improving other systems on their cars.
For example, builds that include additional power upgrades, cooling improvements, or other Camaro ZL1 aftermarket parts benefit from a suspension system that can handle the added load. When these components work together, the car becomes more predictable during aggressive driving and extended track sessions.
Key Camaro ZL1 Rear Suspension Parts From SPL And What They Do
SPL offers several rear suspension components that give ZL1 owners better control over alignment and suspension geometry. Each part focuses on a specific aspect of rear wheel movement, helping drivers fine-tune how the car behaves under acceleration, braking, and cornering. Some of the most common Camaro ZL1 rear suspension parts enthusiasts install include the following:
Adjustable Rear Toe Arms
Rear toe plays a major role in how stable the car feels, especially during corner exit. The factory toe arms use rubber bushings that can flex under load, slightly altering alignment when the suspension is working hard.
SPL adjustable rear toe arms use solid construction and spherical bearings to hold alignment more accurately. This helps maintain consistent toe settings during hard driving, improving rear-end stability and making throttle application more predictable.
Rear Camber Arms
Camber controls how much the tire leans inward or outward relative to the road surface. For track driving, additional negative camber often improves cornering grip by keeping more of the tire’s contact patch engaged during lateral load.
SPL camber arms allow drivers to dial in precise camber settings beyond what the factory hardware allows. This adjustability becomes especially useful when switching between street tires and track-focused compounds.
Rear Traction Links
Traction links help control how the rear wheels respond to acceleration forces. Under high torque from the LT4 engine, these links play an important role in keeping the rear suspension stable during launches and corner exits.
Upgraded SPL traction links reduce unwanted suspension movement. This helps maintain more consistent tire contact with the pavement when power is applied.
Rear End Links And Stabilizer Connections
End links connect the sway bar to the suspension and influence how the car manages body roll during cornering. Adjustable versions allow drivers to properly preload the sway bar and balance the chassis more effectively.
For ZL1 owners pushing the car on track, small adjustments in sway bar behavior can noticeably change corner balance and rear grip levels.
How ZL1 Rear Suspension Components Improve Handling And Tire Contact
Rear suspension upgrades are not just about installing stronger parts. The real goal is improving how consistently the rear tires stay connected to the pavement during acceleration, braking, and cornering. When properly adjusted, upgraded ZL1 rear suspension components help maintain stable alignment and improve how the car responds under load.
Maintaining A Consistent Tire Contact Patch
Performance driving places heavy loads on the rear suspension. During hard cornering, the outside rear tire carries a significant portion of the vehicle’s weight. If suspension links flex or alignment shifts, the tire contact patch can change slightly.
Upgraded suspension arms with spherical bearings reduce that movement. The tire stays planted more evenly across its surface, which helps improve grip and makes the car feel more stable through long corners and high-speed transitions.
Improved Corner Exit Stability
The corner exit is where many ZL1 drivers start pushing the car harder. With the LT4 producing over 650 horsepower in stock form, applying throttle while exiting a turn places heavy stress on the rear suspension.
When the rear suspension holds its alignment more consistently, the car responds more predictably to throttle input. Drivers often notice smoother power delivery and less rear-end movement when transitioning from cornering to acceleration.
Better Alignment Tuning For Performance Driving
Track driving often requires alignment settings that are more aggressive than factory specifications. Additional rear camber can help maximize tire grip during cornering, while precise toe adjustments can influence stability at high speed.
Adjustable suspension arms allow these changes to be made accurately. This level of control helps drivers tune the chassis based on tire type, driving style, and track layout.
Supporting Data-Driven Performance Builds
Many ZL1 owners track their vehicle performance using data from tools like zl1 gauges. Monitoring temperatures, boost levels, and other engine data helps drivers understand how the car behaves during extended sessions.
When suspension upgrades are paired with data monitoring and proper setup, the car becomes easier to fine-tune. Small alignment changes can be evaluated alongside tire wear patterns and performance data to build a more balanced setup.
Common Rear Suspension Mods For ZL1 Track And Street Builds
Many ZL1 owners start modifying the rear suspension after noticing how much performance is left on the table with the factory setup. The goal is usually simple. Reduce suspension movement, improve alignment control, and keep the rear tires working as efficiently as possible. Some of the most effective rear suspension mods for ZL1 builds focus on adjustability and structural strength.
Adjustable Toe And Camber Arms
These are often the first upgrades enthusiasts install. Adjustable toe and camber arms let drivers fine-tune rear alignment settings based on driving conditions and tire setup.
For example, a street-focused ZL1 might run moderate rear camber to maintain tire life, while a track setup may increase negative camber to keep the outside tire planted through high-speed corners. Adjustable arms allow those changes to be made accurately and repeatably.
Upgraded Traction And Control Links
Traction links help manage how the rear suspension reacts to acceleration forces. With the LT4 engine producing substantial torque, the rear suspension experiences significant load during launches and corner exit.
Stronger traction links reduce flex and help keep the rear suspension geometry stable under power. This leads to more consistent grip and improved throttle control when exiting corners.
Sway Bar And End Link Adjustments
The rear sway bar plays a major role in controlling body roll and balancing the chassis. Adjustable end links allow the sway bar to operate without unwanted preload, which can happen if ride height or suspension geometry changes.
Properly adjusted sway bar connections can make the rear of the car feel more responsive while maintaining predictable handling during quick transitions.
Supporting Upgrades For Track Use
Rear suspension improvements often work best when combined with other supporting modifications. Many ZL1 track builds include improved cooling systems to manage engine and drivetrain temperatures during extended sessions.
At Griffin Motorsports, we regularly recommend pairing suspension upgrades with proven ZL1 cooling mods to help the car maintain consistent performance during repeated laps. Keeping temperatures under control allows drivers to focus on dialing in suspension setup without worrying about heat-related performance loss.
Supporting Performance Rear Suspension ZL1 Builds With The Right Upgrades
A well-sorted ZL1 suspension setup rarely exists by itself. As drivers improve rear suspension control, other supporting upgrades help the car perform more consistently under higher loads and longer track sessions. A complete performance rear suspension ZL1 build often includes enhanced vehicle monitoring, improved cooling capacity, and carefully selected power upgrades that work in harmony with the suspension system.
Many owners add additional ZL1 gauges to track engine temperature, boost pressure, and other performance data while driving. Monitoring these values becomes especially helpful during track sessions where consistent data can guide setup adjustments. Heat management is also important, which is why many builds include proven zl1 cooling mods to keep engine and supercharger temperatures stable during extended runs. As power levels increase through upgrades such as the LT4 supercharger lid upgrade, the rear suspension experiences greater load during acceleration and corner exit. Strengthened suspension components help maintain alignment and tire contact under these conditions. At Griffin Motorsports, we often see owners combine these upgrades with other carefully selected Camaro ZL1 parts to create a balanced performance package where power, cooling, and suspension systems support each other.
Choosing The Right Rear SPL Suspension Parts For Your Camaro ZL1
Selecting the right suspension components depends on how the ZL1 is used. Some owners want sharper handling for spirited street driving, while others are preparing the car for regular track sessions. Understanding how different components affect alignment and suspension movement helps determine which rear SPL suspension parts for ZL1 Camaro will make the biggest impact.
Street Focused Suspension Improvements
For ZL1 owners primarily driving on the street, moderate upgrades can improve stability without dramatically changing ride characteristics. Adjustable toe arms and camber arms are often the most useful starting point. These components allow more precise alignment adjustments while reducing the flex found in factory suspension links.
With properly aligned settings, drivers can maintain good tire life while improving cornering stability during spirited driving.
Track-Oriented Suspension Setup
Drivers who regularly attend track days often benefit from a more complete suspension upgrade. Adjustable arms at multiple suspension points allow fine-tuning of camber and toe settings based on tire compound, track layout, and driving style.
This level of adjustability helps maximize tire contact during high-speed cornering and improves consistency over multiple laps.
Matching Suspension Parts With Overall Build Goals
Suspension upgrades should always be considered alongside the rest of the vehicle setup. Tire choice, braking performance, cooling capacity, and power output all influence how the suspension should be tuned.
At Griffin Motorsports, we often help owners select suspension components alongside other Camaro ZL1 aftermarket parts to ensure the entire build works together. When the rear suspension, tires, and drivetrain upgrades are properly matched, the ZL1 becomes more predictable and easier to push during aggressive driving.
Frequently Asked Questions About Rear SPL Suspension Parts For Zl1 Camaro
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SPL suspension parts are designed with precision machined aluminum arms and motorsport grade spherical bearings instead of traditional rubber or polyurethane bushings. This design allows for highly accurate alignment adjustments and reduces suspension compliance during aggressive driving.
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Installation is possible for experienced enthusiasts with proper tools, but many owners prefer professional installation. A proper alignment is required after installing adjustable suspension arms, so most builds schedule installation alongside a performance alignment session.
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Installation time depends on the number of components being replaced. Toe arms or camber arms can usually be installed in about one to two hours per component, while a full rear suspension upgrade may take three to five hours including alignment.
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Most SPL suspension components designed for the sixth generation Camaro platform are compatible with both coupe and convertible ZL1 models. However, checking product specifications and fitment notes before purchasing is always recommended.
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Spherical bearings transmit more road feedback than rubber bushings, so drivers may notice slightly increased vibration or noise. Many enthusiasts accept this tradeoff because the improvement in handling precision is significant.
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Yes. SPL components are commonly used with both lowering springs and full coilover systems. In fact, adjustable suspension arms are often recommended when ride height changes because they help correct alignment geometry.