2 SPI Standard Bore Piston Kits for Polaris 550 Fan Cooled fits 2022-2025 73mm

Standard Bore Piston Kits for Polaris 550 Fan Cooled

These two standard bore piston kits are designed for Polaris 550 fan-cooled engines from 2022 to 2025, featuring a 73mm bore size to restore compression and power.

Overview

These standard bore piston kits are replacement components for Polaris 550 fan-cooled engines, providing a precise 73mm bore diameter for 2022-2025 models. The kits include rings, pins, and clips for a complete rebuild, ensuring your engine runs smoothly. Ideal for owners maintaining their Polaris 550 fan-cooled vehicles, these standard bore piston kits are a direct fit.

Built For Performance

• Manufactured from high-strength aluminum alloy for durability
• Precision-machined to 73mm bore spec for exact fit
• Includes piston rings designed for optimal sealing
• Wrist pins and circlips included for complete installation
• Balanced weight for reduced vibration

Fits These Machines

• for Polaris 550 Fan Cooled snowmobiles (2022-2025)

Specs At A Glance

Good To Know

Q: Do these piston kits require any modifications? A: They are standard bore size and designed as direct replacements for the original pistons, so no machining is required if the cylinder is within spec.

Q: Are rings pre-gapped? A: Rings are supplied at standard gap; you should verify end gap clearance and adjust if necessary per your engine's service manual.

Slight variation in finish or dimensions may occur between production runs, and confirm compatibility before ordering.