Namura .040 Over Bore Piston Kit fits Polaris Hawkeye 300 & Sportsman 300 78.7mm
Namura .040 Over Bore Piston Kit fits Polaris Hawkeye 300 & Sportsman 300 78.7mm
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.040 Over Bore Piston Kit for Polaris
This .040 over bore piston kit from Namura is designed for Polaris Hawkeye 300 and Sportsman 300 ATVs, providing a precise 78.7mm diameter for engine rebuilds.
Overview
The .040 over bore piston kit from Namura is a high-performance replacement piston for Polaris Hawkeye 300 and Sportsman 300 ATVs. This kit includes the piston, rings, and pin, machined to 78.7mm for a precise fit. Ideal for restoring lost compression and power in your Polaris 300 engine.
Built For Performance
- Precision-machined from high-strength aluminum alloy for durability
- Includes matched piston rings for optimal seal and compression
- 78.7mm overbore size increases displacement for more power
- Namura's proprietary coating reduces friction and wear
- Complete kit with wrist pin and circlips for easy installation
- Designed to meet or exceed OEM specifications
Fits These Machines
- for Polaris Hawkeye 300
- for Polaris Sportsman 300
On-The-Job Use
- Trail riding and recreational ATV use
- Engine rebuilds and top-end overhauls
- Restoring performance in worn Polaris 300 engines
- Off-road utility and work applications
- Racing or high-performance riding
Specs At A Glance
| Bore Size | 78.7mm |
| Overbore | .040 inch |
| Kit Type | Piston Kit |
Good To Know
Q: Does this kit include a piston pin? A: Yes, the kit comes with a wrist pin and circlips for a complete installation.
Q: Is this .040 over bore suitable for all Polaris 300 models? A: This piston fits Polaris Hawkeye 300 and Sportsman 300 models, but always verify engine displacement and serial number for compatibility.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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