Clack Rebuild Kit for FOK, FOC, and FOB Valves

Clack Rebuild Kit for FOK, FOC, and FOB Valves

Includes One of each of the following:

• Clack WS1 Regeneration Piston – V3174
• Clack WS1 Piston – V3011
• Clack WS1 Spacer Stack Assembly – V3005 
• Clack Internal Check Valve – V3957