2 Namura Big Bore Piston Kits for Polaris fits many 2005-2016 800 ATV/UTV - 82mm

2 Namura Big Bore Piston Kits for Polaris

The 2 Namura Big Bore Piston Kits for Polaris are high-performance replacement pistons designed to increase displacement and power in Polaris 800cc ATV and UTV engines from 2005-2016. These 82mm pistons are a direct-fit upgrade for models including the Sportsman, RZR, and Ranger, offering improved horsepower and torque.

Overview

The 2 Namura Big Bore Piston Kits for Polaris are precision-engineered to boost engine performance in Polaris 800cc ATVs and UTVs. Each kit includes a piston, rings, wrist pin, and circlips for a complete top-end rebuild. Ideal for riders seeking increased displacement, the 82mm bore size provides a noticeable power gain over stock.

Built For Performance

• 82mm bore size for increased displacement and power
• Forged aluminum construction for strength and durability
• Precision-machined piston skirt for reduced friction
• High-quality piston rings for optimal sealing
• Includes wrist pin and circlips for complete installation
• Direct replacement for OEM pistons in Polaris 800 engines

Fits These Machines

• for Polaris Sportsman 800
• for Polaris RZR 800
• for Polaris Ranger 800
• for Polaris Scrambler 800
• for Polaris Outlaw 800

On-The-Job Use

• Trail riding and off-road racing
• Utility work and farm chores
• Recreational dune riding
• Engine rebuild or performance upgrade

Specs At A Glance

Good To Know

Q: What is included in each piston kit? A: Each kit contains one piston, piston rings, wrist pin, and circlips.

Q: Are these pistons suitable for a stock cylinder? A: Yes, the 82mm bore is a standard big bore size that works with most stock cylinders, but always hone and check clearance before installation.

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