Polini 177.7cc cylinder kit (SKU PCK2) – cast-iron cylinder with transfer ports, finned aluminum cylinder head, aluminum 63mm piston, piston rings, wrist pin, and circlips; fits Genuine Stella 2T and Vespa P/PX large-frame scooters Polini 177.7cc cylinder kit (SKU PCK2) – cast-iron cylinder with transfer ports, finned aluminum cylinder head, aluminum 63mm piston, piston rings, wrist pin, and circlips; fits Genuine Stella 2T and Vespa P/PX large-frame scooters
Polini 177.7cc cylinder kit (SKU PCK2) – cast-iron cylinder with transfer ports, finned aluminum cylinder head, aluminum 63mm piston, piston rings, wrist pin, and circlips; fits Genuine Stella 2T and Vespa P/PX large-frame scooters

Polini

Polini 177.7cc Cylinder Kit | Stella 2T, Vespa P/PX

SKU PCK2
$352.00 Sold out
Shipping calculated at checkout.
Description

Upgrade your Genuine Stella 2T or vintage large-frame Vespa to 177.7cc with the Polini cast-iron cylinder kit. Cast-iron bore delivers strong low-end grunt and midrange torque — an ideal all-around street performance build for P-series and PX-series platforms. Includes cast-iron cylinder, aluminum piston, piston rings, wrist pin, and circlips. Made in Italy. SKU: PCK2.

This kit pairs well with an upgear/transmission kit on early P125s and benefits from carburetor rejetting. Compatible with 24/24 and 26/26 carburetors and performance exhausts for maximum power output.

Replacement pistons and rings are available separately:

Features

  • Cast-iron cylinder — strong low-end grunt and midrange torque
  • Aluminum piston with 63mm bore
  • Includes piston rings, wrist pin, and circlips
  • Finned aluminum cylinder head included
  • Compatible with 24/24 and 26/26 carburetors and performance exhausts
  • Made in Italy by Polini

Specifications

  • Displacement: 177.7cc
  • Bore: 63mm
  • Cylinder material: Cast iron
  • Piston material: Aluminum
  • Kit includes: Cast-iron cylinder, aluminum piston, piston rings, wrist pin, circlips, finned cylinder head
  • Made in: Italy
  • SKU: PCK2

Compatibility

Make Model
Genuine Stella 150 2T / LML Star 2T
Vespa (Vintage Large Frame) VNL GT, VNL GTR, VLB Sprint
Vespa (P/PX Series) VLX P, VLX PX150, VNX P125, VNX P125X

 

This product is intended for off-road use only. This product is not intended for use on public roads or land.

 
Product Diagrams
Features
  • Cast-iron cylinder — strong low-end grunt and midrange torque
  • Aluminum piston with 63mm bore
  • Includes piston rings, wrist pin, and circlips
  • Finned aluminum cylinder head included
  • Compatible with 24/24 and 26/26 carburetors and performance exhausts
  • Made in Italy by Polini
Specifications

Displacement: 177.7cc | Bore: 63mm | Cylinder: Cast iron | Piston: Aluminum | Kit includes: cylinder, piston, rings, wrist pin, circlips, head | Made in: Italy | SKU: PCK2
Model Fitments

Genuine Stella 150 2T / LML Star 2T | Vespa VNL GT/GTR | Vespa VLB Sprint | Vespa VLX P/PX150 | Vespa VNX P125/P125X
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