Field service kit for 2.5″ Generation II Heavy Duty Swing-Out Valve. This service kit includes seats, O-rings and a Generation II stainless steel ball with Hydromax. Also used as a conversion kit to convert valves with composite balls to Stainless Steel balls. This kit will service all 2.5″ Akron Brass Swing-Out valves including the styles 8625 & 8825.