AV&V HIGH PERFORMANCE VALVE SPRING RETAINERSStronger design than OEM to be used with the stock Beehive valve springs in conjunction with stock style triple groove valves or AV&V's single groove valves. Kits include 4 valve spring retainers and 4 pairs of AV&V exclusive POSI CLAMP keepers that, although they use only one groove, clamp the valve above and below the 3 grooves for a 55% strength increase compared to the stock style triple groove keepers. Fits 2002 2010 air cooled Buell, 2004 2022