Dia97x(2.5+2.5+4.0)
JP piston rings, the top name in OE and aftermarket piston rings for gasoline and diesel engines, are developed for automobile, light commercial vehicle and heavy-duty applications. JP piston rings, which come in a wide range of sizes, include the first ring sets introduced for Euro3-compliant engines.
Manufactured to the industry-leading JP NormForm specifications for aftermarket conditions, JP piston rings provide:
Maximum durability
High wear and corrosion resistance
Excellent heat-conducting capacity
Optimal fit
JP piston rings have anti-scuffing properties that promote smooth engine operation, reduced oil consumption and long engine life. In addition, the JP process helps prevent materials from detaching and cracking and aids in environmental protection.



