Lycoming Rocker Box Covers with large " LYCOMING" Marking.

Lycoming Rocker Box Cover with large " AVCO LYCOMING" Marking.

Painted Lycoming Rocker Box Cover with large " AVCO LYCOMING" Marking.

Lycoming Rocker Box Covers with "76 LYCOMING" Marking.

Avco Lycoming Rocker Box Valve Cover P/N 72242 - Anodized

Lycoming Avco 76 Valvecover Vintage Aviation

Avco Lycoming Magneto adapter F/N 0233-66970

GEARED AVCO LYCOMING VO-480 ENGINE ACCESSORY HOUSING BELL 47 HILLES