Part Description
Fits Evolution Big Twin 1984-1999, Evolution Sportster 1986-2003 & Twin Cam 1999-2004 Kits for use with .640" thru .675" valve lift. Seat pressure 185 lbs. Come complete with 1.375" retainers for better clearance inside the rocker covers, as well as valve locks and lower collars., Kit with titanium retainers
Text excerpt from the catalog:
AV&V's extreme duty valve spring kits contain valve springs manufactured from ultra clean high silicon Kobe alloy wire then micro shot peened and nitrided. Kits come with retainers and keepers as specified below.
