Manley Performance 5/16in Viton Valve Seals (Set of 8)

- A necessity when using NexTek® triple valve springs.

- Special design allows clearance inside small I.D. springs.

- 5/16" / 8mm valves

- Guide O.D .500"

- Installed Seal O.D .608"

- Use Cutter No. 41610

- Quantity 8 pcs.