PROX Piston Ring Set - Ø78mm 4T This kit reduces from 10

This kit reduces from 10 to 20% the effort to disengage

Remove the spindle from the axle block (KTM Only) to do this may require some heat and a vice

Sold complete with 5 spare teeth for longer life

This high-quality gear lets you feel nimble yet has durability that destroys those flimsy ‘race graphic pajamas’ offered in this category by other brands

RX-7V et RX-7V EVO

PROX Piston Ring Set - Ø78mm 4T This kit reduces from 10ProX 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.