Mahle 6.4L .010 Single Piston Ring Set - High Performance Engine Piston Rings for Ford Power Stroke 6.4L Diesel Engines | Perfect for Engine Rebuilds & Performance Upgrades

Notes: Size 0.010in Material Grade Premium Material UCR-Carbon Steel; LCR-Ductile Iron; OCR-Cast Iron Facing UCR-Plasma-Moly; OCR-Chrome Axial Height UCR-2.5mm; LCR-2.0mm; OCR-3.0mm Ring Type UCR:RFK-13PF; LCR:RBT-17; OCR: GCL-40URW Single Cylinder Set (6.4 V8)