Skunk2 Valve Keepers / Locks for Honda/Acura B/D/F/H VTEC and K Series VTEC Engines. Manufactured from bar stock and CNC machined for precision fit and finish. The Skunk2 Keeper / Locks are then heat-treated for ultimate strength and completed with Black Oxide for corrosive resistance and a great appearance. One set includes 32 pieces (enough for 16 valves) that fit factory and aftermarket 5.5mm valves. These keepers are 7 degree and work with most all retainers both OEM and aftermarket.