2 Hypro 1720-0028 O-Rings For Cylinder Head

Hypro 1720-0028 O-Rings For Cylinder Head (2): Automotive. Buy Hypro 1720-0028 O-Rings For Cylinder Head (2): Cylinder Heads - ✓ FREE DELIVERY possible on eligible purchases. Hypro Part # 1720-0028x2 . Includes (2) O-rings for the cylinder head . It is recommended that you purchase a pair of O-Rings (1720-0028) for the Cylinder Head of the Hypro 52C piston pump because they are difficult to replace and remove when swollen with chemical and typically break. It's also a perfect opportunity to replace these parts because the pump is already disassembled when installing the Leather Cup Kit. . . .