Top Gasket Set - 6 Cyl. (404D)S.31695https://22df4504011deb964a17-39bee0485bf754a0e77a8d4deb668d89.ssl.cf4.rackcdn.com/imagelibrary_sml/31695_pic1.jpgS.31695
Ring Type
Top Ring: MK1 - Molybdenum Coated Keystone (3.00mm)
2nd Ring: P2 - Parallel Faced Internally Stepped Top (2.38mm)
3rd Ring: CBEH - Chrome Plated Bevelled Edge with Helical Coil Spring (4.66mm)