Part Description
Athena, cylinder head gasket. 3-7/8" Twin Cam
3-7/8" (3.875") bore. 1.5mm (.060") reinforced graphite with Firering. Fits 88" to 95" (1550cc) big bore conversions and is standard size for 103" OEM H-D engines. Standard thickness. OEM replacement reference 16787-99; 16787-99A.