Nice left cylinder from a 1976 El Tigre 5000. Bore is in very good condition with no peeling or scoring as shown in the pics. Online parts lookup shows this came on:

Part Number: 3002-063
Cylinder-Left
Replaced by 3002-286

1976 PANTERA - CRANKCASE AND CYLINDER
1976 EL TIGRE 500 - CRANKCASE AND CYLINDER

Part Number: 3002-286
Cylinder - Left
Replaces 3002-063

1977 EL TIGRE 5000 - CRANKCASE AND CYLINDER
1977 PANTERA F/A - CRANKCASE AND CYLINDER
1978 PANTERA F/A - CRANKCASE AND CYLINDER