Polini #NOM? Piston kitRef : POL00124A / 1093979001

Piston POLINI - PN2040970

Reliable and direct replacement for the refurbishment of your cast iron cylinder head, this POLINI piston Ø40 mm retains the characteristics of the original assembly. Machined from aluminum, it comes as a complete piston with the necessary rings, ready to be installed during an urban engine refurbishment or a small displacement restoration.

• Manufacturer reference: 204.0970
• Designation: Piston POLINI - PN2040970
• Diameter: Ø 40.00 mm
• Compression: Standard
• Material: Aluminum
• Rings: Kit included
• Usage: Cast iron cylinder head refurbishment (compatible kit PN1090018)

Designed to fit 50 cm3 engines equipped with a Ø40 bore, this piston is particularly suitable for urban scooters and supermotards. It has the same assembly as the product supplied in the original kit: useful for restoring piston/cylinder clearances and achieving clean operation of the piston-cylinder group without altering the original geometry. Ideal for riders looking for a faithful and straightforward restoration of the cylinder head.

Compatible motorcycles (examples): GILERA SMT 50 (2018), APRILIA SX 50 (2018), DERBI SENDA 50 SM DRD X‑TREM (2017).