Namura .020 Over Bore Piston Kit for Polaris ACE 150 fits 2017-2021 57.9mm

Namura .020 Over Bore Piston Kit for Polaris

This .020 over bore piston kit for Polaris ACE 150 models 2017-2021 provides a 57.9mm diameter replacement piston for engine rebuilding.

Overview

This Namura .020 over bore piston kit is designed for the Polaris ACE 150, covering 2017 to 2021 models. The piston kit includes a 57.9mm piston and rings for a direct fit in these engines. It is an ideal piston kit for restoring compression and performance.

Built For Performance

• Precision-machined 57.9mm piston from high-strength aluminum alloy
• Includes matching piston rings for proper sealing
• Designed for .020 over bore applications to refresh worn cylinders
• Manufactured to strict tolerances for reliable engine operation

Fits These Machines

• for Polaris ACE 150 (2017-2021)

On-The-Job Use

• Engine rebuild and top-end restoration
• Restoring lost compression and power
• Replacing worn original piston components

Specs At A Glance

Good To Know

Q: Do I need to replace the piston rings with this kit? A: Yes, the kit includes new rings specifically matched to the piston for proper sealing and durability.

Q: Can this piston kit be used with stock cylinder heads? A: Yes, as long as the cylinder has been bored to the correct .020 oversize, the piston will work with factory cylinder heads.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.