The ESA type rod guide ring is used to avoid direct contact between cylinder head and rod, and between the piston and sleeve.
The guide rings are in moulded, non-abraisive, self-lubricating material, especially developed to improve the linear sliding.
The profile presents chamfers on both sides for easier installation of rod and piston.
The standard compound is a non abrasive modified Polyacetalic resin with additives the improves movement (R3)
For further details, including assembly instructions, and a full list which includes other sizes available please download our Artic Catalogue.