Valve Seal Set, Teflon, Small Diameter, 12 pcs

Description

Small diameter seal to fit on guide which has been turned down to 0.415 inch diameter. Outside diameter approximately 0.530 when installed.  Seal fits inside all single and most dual valve springs.  Good Parts valve spring seats are recommended to keep valve springs centered around the guide when using dual valve springs with valve seals.  . Requires 0.175″ clearance between guide and retainer at full lift.