Polisport Mx Replica Plastic Kit For those who want OEM quality. Polisport replica plastic parts are created using many exclusive and patented methods including DGP – Durable Gloss Polypropylene- our own developed technology that combines the highest levels of resistance and flex while maintaining a superior gloss finish and color brightness. New developed technologies, combined with our decades of experience as OEM suppliers for many of the largest European motorcycle manufacturers, makes us the number one choice for replacement plastics.