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  See more parts for Porsche 981 Boxster
Select the year of your Porsche 981 Boxster:
Rennline GT3 4mm Lower Control Arm Shims for Porsche 996 | 997 | 986 | 987 | 991 | 981 (1997-2019) - S19 4MM

If you're diving into the world of adjusting camber and tweaking lower control arm lengths, these shims are a game changer. Designed for the Porsche 991 and 981 models—especially if you're rocking a 991 GT3 LCA—these shims give you the flexibility you need to fine-tune your ride.

What’s cool is that they come in a variety of sizes: 1mm, 2mm, 4mm, 6mm, 8mm, 10mm, and even 16mm. So whether you're looking for a slight tweak or a more significant adjustment, you’ve got options at a price that won't break the bank.

Just a heads up: these shims are sold individually, but most folks end up using them in pairs. If you find yourself needing a couple of the same size, just remember to change that quantity to two when you check out.

Now, let's talk fitment. These shims are compatible with a wide range of Porsche models, spanning from the 1997 986 Boxster all the way to the 2019 991.1 GT2 RS. Here’s the full list of what they fit:

  • Porsche 981 Boxster (2013-2016)
  • Porsche 986 Boxster (1997-2004)
  • Porsche 987 Boxster (2005-2012)
  • Porsche 991.1 Carrera (2012-2016)
  • Porsche 991.1 GT2 RS (2018-2019)
  • Porsche 991.1 GT3/GT3 RS (2014-2016)
  • Porsche 991.1 Targa (2014-2016)
  • Porsche 991.1 Turbo (2013-2016)
  • Porsche 996 C2/C4 (1998-2005)
  • Porsche 996 GT3/GT3 RS (2002-2005)
  • Porsche 996 TT/GT2 (2001-2005)
  • Porsche 997 Carrera (2005-2008)
  • Porsche 997 GT3/GT3 RS (2007-2009)
  • Porsche 997 TT/GT2 (2007-2009)

So, if you're looking to dial in your suspension setup and get that perfect alignment, these 4mm Rennline GT3 lower control arm shims are definitely worth considering. They’re simple, effective, and a solid addition to any Porsche enthusiast's toolkit.

Other Part Numbers:
Rennline #S19 4MM

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2013-2016
 Porsche 981 Boxster
1997-2004
 Porsche 986 Boxster
2005-2012
 Porsche 987 Boxster
2012-2016
 Porsche 991.1 Carrera
2018-2019
 Porsche 991.1 GT2 RS
2014-2016
 Porsche 991.1 GT3/GT3 RS
2014-2016
 Porsche 991.1 Targa
2013-2016
 Porsche 991.1 Turbo
1998-2005
 Porsche 996 C2/C4
2002-2005
 Porsche 996 GT3/GT3 RS
2001-2005
 Porsche 996 TT/GT2
2005-2008
 Porsche 997 Carrera
2007-2009
 Porsche 997 GT3/GT3 RS
2007-2009
 Porsche 997 TT/GT2

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Who is Rennline?

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 Facility

Rennline 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 Racing

Rennline 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.




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