If you're diving into the world of adjusting camber and tweaking lower control arm lengths, you’re probably already aware that precision is key. These shims are designed specifically for the Porsche 991 and 981 models, especially if you're working with the 991 GT3 lower control arms. Trust me, getting that setup just right can make a world of difference in handling and performance.
What I really appreciate about these shims is that they come in a range of sizes—1mm, 2mm, 4mm, and 6mm. So whether you're looking for a subtle adjustment or something a bit more aggressive, you’ve got options. Just keep in mind that they’re sold individually, but you’ll usually want to grab a pair for a proper setup. If you need two of any size, just remember to update the quantity when you place your order.
These shims are perfect for the 2014-2016 Porsche 981 Cayman and the 2014-2016 Porsche 991.1 GT3/GT3 RS. I’ve seen firsthand how a little tweak here and there can really enhance your driving experience, especially on the track. So if you’re serious about performance and handling, these shims are a solid investment. They’re not just parts; they’re a way to dial in your ride to fit your driving style.
Other Part Numbers:
Rennline #S17 1MM
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
2014-2016 Porsche 981 Cayman |
981 Cayman | 2014-2016 |
|
2014-2016 Porsche 991.1 GT3/GT3 RS |
991.1 GT3/GT3 RS | 2014-2016 |

Rennline is an aftermarket company based in Milton, Vermont, which is not far from Montreal, Quebec. The company specializes in creating performance parts for high-end sports cars such as Porsche. The company was founded by Paul Jacques, who has years of experience in the aerospace industry. Fueled by his passion for cars, specifically the Porsche 911, he decided to start his own company. Today, they are recognized as the leading brand when it comes to high-performance parts and has expanded its offerings to other platforms such as Audi and BMW.
High Tech FacilityRennline has been able to create some of the highest quality products through the use of the most advanced manufacturing tools available. Their facility has its own CNC water jet, CNC Milling and Turning Operation, and machines such as a forming machine, welding machine, and embossing machine. They also have their own painting facility that enables them to do powder coating, anodizing and screen printing. These tools combined with the best craftsmen, have been the key to the company’s success.
Purchase Rennline Products at Vivid RacingRennline offers a wide range of products from chassis stiffeners, pedals, door stiffeners, restoration parts, suspension parts, and more. They have been manufacturing these vehicle-specific products for years and have become the leading expert in their field. If you want a brand that you can trust, then Rennline is for you. Visit Vivid Racing and check out the list of their products that would fit your specific needs.