Liner 6″ Supreme 14-P-220

American Mfg Co bi-metallic high-chrome sleeved liners are becoming the new standard for the industry. Manufactured under API 7-K and ISO 9001 certificates and guaranteed to be 100% identical (with regard to fit, form, and function) with the OEM liner it is designed to replace and AT LEAST equal quality. We subject our AMERICAN liners to over 4 rigorous quality control inspections during the manufacturing process beginning from raw material to finished product checking all aspects of material integrity, chromium % of sleeve, critical machined dimensions and sleeve fit.