The Allstar Performance Valve Seals 11/32 PTFE .500 Guide (ALL90241) are positive stop style seals with spring loaded wipers for maximum oil control.
These seals are sized for an 11/32 inch valve stem with a .600 inch outer diameter and a .500 inch guide outer diameter. Machining is required for most installations. Each package contains a set of 16 seals. A 100-pack option (ALL90241-100) is also available.
Spec Sheet: Allstar Performance PTFE Valve Seal Spec Sheet (PDF)
FAQ
What size stem and guide do the ALL90241 seals fit?
These seals fit an 11/32 inch valve stem with a .600 inch outer diameter and a .500 inch guide outer diameter.
Is machining required to install these seals?
Yes, machining is required for most installations of these positive stop PTFE seals.
What material are these seals made from?
These are PTFE seals with spring loaded wipers for maximum oil control.
How many seals are included?
Each package contains a set of 16 seals. A 100-pack option (ALL90241-100) is also available.

