Best way to see what is possible contact APE KZZONE by phone and ask for advice.
No pictures limits our responses as no one can see extent of damage
Possible remedy is oversize valves to have seats cut into good material
But call Jay at APE / KZZONE
Dave
Original owner 78 1000 LTD
Mr Turbo Race Kit, MTC 1075 Turbo pistons by PitStop Performance , Falicon Ultra Lite Super Crank, APE everything. Les Holt @ PDM's Billet Goodies . Frame by Chuck Kurzawa @ Logghe Chassis . Deep sump 5qt oil pan. RIP Bill Hahn