CMS Performance Roll Bar Harness Collars | 1.50" & 1.75" C63 AMG (2008+) Internal curved vanes act as

Internal curved vanes act as centrifugal pumps to move air through the rotor for consistent cooling during extended performance driving

and excellent fatigue strength

and offer greater resistance to cracking or warping under repeated track use

modulation

Upgrade your Ferrari 360 Challenge with Girodisc’s precision-engineered front rotors—built for lightweight performance

CMS Performance Roll Bar Harness Collars | 1.50" & 1.75" C63 AMG (2008+) Internal curved vanes act asCMS Performance Locking Harness Collars Designed for CMS Performance Roll Bars to Keep Harnesses In Place These locking roll bar collars from CMS Performance are designed and perfectly sized to fit roll bars with either 1. 75" or 1. 50" O. D. cross bars. Precision CNC machined CMS Performance Roll Bar Harness Collars help keep your harness shoulder straps in exactly the right place on your roll bar. These easy to install double split aluminum collars