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This Cometic 40mm x 2.5mm Buna-N O-ring is a 70-durometer sealing component engineered to conform load distribution across the sealing area. It requires less clamp load and helps create less bore distortion, eliminating the need for additional sealants or re-torque. Intended for reliable sealing in engine assemblies where those dimensional and material properties are required.
Cometic 40mm x 2.5mm Gasket
