Description
Athena Athena, top end gasket kit. Twin Cam 3-3/4″ bore
99-04 88″ (1450cc) Twin Cam (NU)
3-3/4″ bore. With 1.75mm (.070″) PTFE coated reinforced graphite cylinder head gaskets with Firering and cylinder base O-rings. Includes all gaskets, O-rings and seals for a top end rebuild. Without valve stem seals. OEM replacement reference 17052-99A