Anodized Aluminum Porsche GT3 Rear Control Arm Shims

Porsche GT3 991 or 992 Similar Two-Piece Rear Lower Control Arms

Save 60% vs oem shims!

Precision laser-cut from 6061-T6 aluminum and anodized for durability, these shims are used to adjust camber by changing length of your Porsche OEM or similarly configured lower control arm (such as RSS units). Thickness in millimeters is silk screened on each shim for easy sorting.

One degree of negative camber is approximately 5mm shim.

Competition Motorsport Shims Available in the Following Sizes:

• 1 mm
• 3 mm
• 5 mm

Package Savings:

• Enthusiast (two of each shim) save 10%
• Racer (four of each shim) save 15%
• Team (eight of each shim) save 20%

These fit all two-piece Porsche lower control arms for 991 or 992 GT3/GT3RS rear. Shims are priced individually (other than packages). They are typically used in pairs or in multiple-shim combinations. 

This version of the Competition Motorsport Performance shims are used on 991 and 992 REAR fitted with two-piece lower control arms (commonly referred to as "GT3" control arms).