Valve Lock Beehive spring 5/16" Valves

Beehive Spring Kit for use with up to .600" valve lift. Seat pressure 162 lbs. Comes with CNC machined Extreme Duty 9 degree locks. These Beehive springs will coil bind as late as at 1.200" lift, which is much later as regular valve spring kits., Replacement valve locks, set of 4 pair

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.