Namura .040 Over Bore Top End Repair Kit for Polaris Ranger 150 & ACE 150 58.4mm

.040 Over Bore Top End Repair Kit for Polaris Ranger 150 & ACE 150

This top end repair kit includes a piston, rings, wrist pin, and gaskets for rebuilding the upper cylinder of Polaris Ranger 150 and ACE 150 engines with a .040 over bore.

Overview

This top end repair kit provides all components needed to restore compression and power in Polaris Ranger 150 and ACE 150 engines. The kit includes a precision-machined piston, rings, and gaskets for a .040 over bore. Ideal for engine overhauls, this top end repair kit ensures reliable performance.

Built For Performance

• Precision-machined piston for accurate fit and durability
• High-quality piston rings for optimal sealing
• Complete gasket set including base and head gaskets
• Wrist pin and circlips included for secure installation
• Manufactured to strict tolerances for consistent performance

Fits These Machines

• for Polaris Ranger 150
• for Polaris ACE 150

Specs At A Glance

Good To Know

Q: Will this kit work with a standard bore cylinder? A: No, this kit is designed for a .040 over bore cylinder; you must have the cylinder bored to the correct oversize.

Q: Does this kit include all necessary gaskets? A: Yes, the kit includes a full gasket set for the top end, including base gasket and head gasket.

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