Valve Rebuild Kit, Includes O-Rings, Core Assembly, Spring Compression, Holder Assembly, Cap Retaining, Solenoid Base Sub Assembly, Washer Spring, Guide Core, Clip Retaining, Spring Snap On, Spring Conical, I And M Instructions, For Use With Mfr. No. 8320G174, EF8320G174, 8320G174 240/60 220/50, 8320G176 120/60 110/50.WARNING: California Residents:This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. California proposition 65 warning.