Author Topic: 550F Valves Question  (Read 779 times)

0 Members and 2 Guests are viewing this topic.

Offline Scooterhead

  • Full Member
  • *
  • Posts: 70
550F Valves Question
« on: January 07, 2018, 01:15:26 PM »
Recent engine rebuilt and I was wondering what the groves are for on the inlet and exhaust valves
The grooves are on the flat side facing the combustion chamber. Thanks.