Missing one exhaust Vavle , spring and rocker arm missing , all threads are good and plenty on depth on bottom face
Hepolite Complete +20 Piston Kit 9-1 BSA A65 650 1962 - 1973 OEM: 19233 68-0907
BSA A65 650 TOP END GASKET SET MADE IN ENGLAND STAR ROCKET LIGHTNING CUCLONE NOS
HEPOLITE POWERMAX COVMO BSA A65 650 PISTONS STD 1962 - 1973 19233 NEW OLD STOCK
BSA A50 BSA A65 OUTER TIMING COVER BSA A50/A65 1962-69 NEW OLD STOCK
BSA A65 A50 Parts Book 1967 Thunderbolt Lightning Firebird 650 Twin Motorcycles
