The CP Pistons 85.5mm PVD piston ring set is a replacement ring kit sized for 85.5mm bore engines and finished with a PVD coating. As a complete ring set, it’s intended to restore the sealing interface between pistons and cylinders during an engine overhaul or rebuild. The PVD finish indicates surface treatment on the rings; the set is packaged for application to engines that require the specified bore size.
CP Pistons 85.5mm Bore PVD Ring Set