Manganese valve guide intake .655 std
Manganese valve guide intake .655 +.001"
Manganese valve guide intake .655 +.002"
Manganese valve guide intake .655 +.010"
Manganese valve guide exhaust .655 std
Manganese valve guide exhaust .655 +.001
Manganese valve guide exhaust .655 +.002
Manganese valve guide exhaust .655 +.010