Engine Piston Ring Set -- Size Standard; 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
