PROX Piston Ring Set - Ø78mm 4T Polyethylene is a material 40%

Polyethylene is a material 40% lighter than aluminum

And if dirt works its way into your engine

} The well known Vertex brand  has developed his new range of pistons “Racer’s choice” thanks to his collaboration with the better world team

Pro series CNC parts are race tested by top UK and Worldwide race teams

Delivered with piston

PROX Piston Ring Set - Ø78mm 4T Polyethylene is a material 40%ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be sure you will get the quality you might expect from our brand. All ProX piston rings can be used in cast iron bores, nickel ceramic platings (Nikasil), boron composite and electrofusion bores. If the application has a OEM cylinder with chrome bores, ProX supplies a different piston ring as in the ProX piston kit.