Valve Spring Kit TC.EVO.XL 1.08" 185@1.8

Fits 1984-1999 Evolution Big Twin, 1986-2003 Evolution Sportster and 1999-2004 Twin Cam 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

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.