COMP Cams Valve Seal 5/16in Viton For .4 530-1

You no longer need three hands to adjust valves; you just need the right tool. COMP Cams EZ Valve Lash Wrench makes valve adjustment easier and quicker than ever. Constructed of 17-4 stainless steel, these wrenches are heat-treated and electro polished to a satin finish. Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. This 530 seal has a .565" OD and fits applications with 5/16" valves and .425" OD guides. Available in a set of 8 under 530-8, available in a set of 16 under 530-16 Engines w/ 0.425" OD Valve Guides and 5/16" Valve Stems