Porsche 981 | 718 GT4 Suspension Tuning - Genome X Suspension Secrets

Both the 718 and 981 Cayman | Spyder platforms come equipped from the factory with Bilstein dampers. A high-quality foundation that offers a great balance of comfort and performance. However, there’s significant potential for refinement through professional adjustment and upgrades.

At Genome Design , we’ve partnered with Suspension Secrets to deliver the ultimate in Porsche Cayman GT4 suspension upgrades. We have a range of Porsche GT4 suspension tuning options to suit everyone. From a fast road and track set up to a full blown track day only package, we have broken these down into staged packages for ease.

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718 | 981 Stage 1 Suspension Upgrade:- 

Stage 1 Key Features:-

• Increased front camber
• Lowered ride heights
• Adjusted roll bar settings
• Aero Changes
• Cornerweights adjusted

The transformation in drivability for both the 718 and 981 Cayman and Spyder after these upgrades is remarkable. Every aspect of handling and grip is enhanced, 

tyre wear becomes more consistent, and the overall driving experience sharpens to a precision edge. For a road car that occasionally sees track use, the result is a balanced and highly polished driving experience.

718 | 981 Stage 2 Suspension Upgrade:-

Building on the foundation of our Stage 1 Porsche GT4 Suspension Upgrade, the Stage 2 package improves handling precision and balance with additional hardware from Suspension Secrets. This setup features upgraded top mounts that allow for increased front camber, improving tyre contact during hard cornering and delivering noticeably sharper turn-in.

At the rear, enhanced camber plates provide greater stability, while upgraded toe arms offer improved rear-end rotation and fine-tuning potential. Together, these upgrades 

make both front camber and rear toe fully adjustable.

Stage 2 Key Features:-

• Upgraded Top Mounts
• Rear Camber Shims
• Rear Toe Arm Upgrade
• Increased Front | Rear Camber
• Increased Rear Toe

This suspension tuning package is ideal for drivers who enjoy fast road driving and regular track days. It is the perfect balance between the comfort and usability of a road-going GT4 and the precision and focus required for track performance.

For most enthusiastic road drivers, this upgrade delivers a dramatic improvement over the factory setup. Sharper response, better grip, and a far more connected feel. And for those wanting the ultimate fast-road and track-day experience, our Stage 3 package takes performance that bit further.

718 | 981 GT4 Spyder Stage 3 Suspension Package:-

For those interested in the ultimate driving experience in their Porsche 718 or 981 GT4, our Stage 3 Suspension Tuning Upgrade delivers performance on both road, and track. This package completely reimagines the GT4’s chassis and suspension setup

, reducing body roll. Maximising tyre contact patches, and significantly lowering lap 

times through a comprehensive combination of hardware upgrades and precision geometry tuning.

The Stage 3 package includes the outstanding Suspension Secrets Circuit Handling Pack. A full kinematics upgrade, followed by an engineered geometry and suspension string setup. Using our purpose-built flat floor and corner-weight scales, we ensure every GT4 achieves optimal balance, feedback, and control. The pinnacle of performance tuning for Porsche enthusiasts.

Stage 3 Key Features:- 

• Full Kinematics Kit
• Top Mounts
• Front Control Arms
• Rear Toe Arms
• Camber Shims
• Suspension Cups
• Eibach Uprated Springs With Helper
• Cornerweighted
• String Geometry

This Stage 3 package is featured on our own GT4 demonstration vehicle, where it has delivered a significant boost in driver confidence and a substantial reduction in lap times. Equally impressive is the car’s composure on the road. Every aspect of the driving experience is enhanced, with no compromise to comfort or tyre wear.

WATCH NOW: 

We highly recommend this GT4 suspension upgrade as an essential enhancement for all Porsche GT4 owners. It pairs perfectly with our engine tuning package.

All of our tuning packages are available as supply and fit at our Porsche specialist workshop, conveniently located just outside Leeds in West Yorkshire.

Alternatively, the components from this kit can be shipped directly and are available in our Cayman GT4 Tuning Collection, found HERE.