Crane Cams now have Metal Jacketed Viton Valve Stem Seals!
These Seals feature a small OD for inner valve spring clearance with Dual or Triple springs.
They are now available For 8mm, 5/16” and 11/32” Valve stems, and for .500” or .530” guides.

 

99818-16  -  8mm Valve Stem, Guide .500”, OD .600”
99710-16  -  5/16” Valve Stem, Guide .500”, OD .540”
99711-16  -  5/16” Valve Stem, Guide .530”, OD .565”
99712-16  -  11/32” Valve Stem, Guide .500”, OD .540”
99713-16  -  11/32” Valve Stem, Guide .530”, OD .575”