Wilkins: 2 1/2" - 4" - Rubber Parts Kit for a:
• 2½" - 4": 350ADA
• 4": 350DA / 450DA / 450STDA
Kit includes:
2 Check Discs, 2 Check O-Rings, 8 Poppet Bolt O-Rings, and Rubber Parts for Bypass Assembly
