... for production, 2-3 days for stock auto parts engine piston ring for MITSUBISHIOur Piston ring details:1. Piston ring Material : Cast iron , Alloy , Steel2. Piston ring ... 8DC92A/8DC91TWe also can offer you the above piston ,piston ring and cylinder liner : BEDFORD , BENZ , ... HOWO , UTB , ZETOR, CAT , CATERPILLAR , CASE INTERNATIONAL, CUMMINS , INTERNATIONAL , FORD , LISTER , VOLVO, DAIHATSU , NISSAN , ...