FLIGHT HELMET, GENTEX, CRUSHABLE SPH-4B & SPH-5, EARCUPS RIGHT & LEFT NIB

Description

YOU ARE PURCHASING 1 NEW PR OF SPH-4B EAR CUPS
MARKED UNDER THE EAR SEAL TR & TL FOR TOP RIGHT
AND TOP LEFT SO NOT TO BE INSTALLED UPSIDE DOWN.
GENTEX PN 85C7136-1 AND 85C7136-3
THESE CUPS WERE DESIGNED FOR THE SPH-4B HELMET
THEY ARE ALSO USED TO RETROFIT THE SONEX CUPS
WHICH ARE NOW OBSOLETE, USED ON THE SPH-3B, SPH-3C & SPH-4.
THEY WILL ALSO FIT THE SPH-5. PARTS ARE DATED 1992
BUT ALL PARTS ARE FRESH.  INSTRUCTIONS INCLUDED.
IF YOUR EARCUPS DO NOT HAVE TABS THEY ARE SONEX.