MOTO1988 Top End Piston Ring Kit w/ Gasket for Polaris Sportsman 800

Description

Product Overview

The MOTO1988 top end piston ring kit is designed specifically for the Polaris Sportsman, Ranger and RZR 800 series, covering model years from 2005 through 2010. Each component is manufactured to OEM specifications, ensuring a seamless fit that matches the original part numbers 5247359, 5412632, and related references. The kit includes a chrome‑plated cylinder head gasket, two precision‑cut piston rings, four valve guide seals, an exhaust gasket, a base gasket, a cover seal, an oil seal, and a set of high‑temperature valve guide seals. All parts are constructed from high‑grade steel and chrome‑coated surfaces to resist wear, corrosion, and heat distortion, providing long‑lasting durability even under demanding off‑road conditions. The total weight of the kit is approximately 2.53 pounds, and the package dimensions are 12.6 x 10.79 x 2.83 inches, making it easy to store and handle during installation.

Usage

This kit is ideal for owners who perform routine maintenance, rebuilds, or performance upgrades on their Polaris ATVs and side‑by‑sides. It is particularly useful for riders who frequently encounter dusty trails, high‑altitude environments, or heavy towing loads, where engine sealing integrity is critical. The chrome gasket provides a reliable seal against combustion gases, while the piston rings maintain compression and reduce blow‑by, resulting in smoother power delivery. Installation can be completed with standard hand tools and a torque wrench, and the kit’s comprehensive parts list eliminates the need for additional purchases. Whether you are a seasoned mechanic or a DIY enthusiast, the kit’s clear instructions and well‑organized components simplify the rebuild process, allowing you to get back on the trail quickly.

Why Choose Us

Choosing MOTO1988 means selecting a brand with a reputation for precision engineering and rigorous quality control. Each kit undergoes a multi‑stage inspection process, including dimensional verification, material hardness testing, and surface coating integrity checks, to guarantee that every component meets or exceeds OEM standards. Our manufacturing facilities employ advanced CNC machining and automated polishing to achieve tight tolerances, ensuring consistent performance across every unit. In addition, we provide a one‑year warranty and 24‑hour customer support, giving you confidence that any issues will be addressed promptly. Our commitment to after‑sales service includes technical assistance, replacement parts, and a satisfaction guarantee, reinforcing the value of purchasing from a trusted supplier.

Key Features

• Precision‑engineered chrome gasket delivers a leak‑free seal for optimal engine compression.
• High‑grade steel piston rings provide superior wear resistance and long‑lasting performance.
• Complete kit includes all necessary seals and gaskets, eliminating the need for extra purchases.
• Designed for easy installation with clear instructions, suitable for both professionals and DIY enthusiasts.
• Backed by 24‑hour customer service and a one‑year warranty for peace of mind.

FAQ

What models are compatible with this piston ring kit?

The kit fits Polaris Sportsman 800 EFI (2005‑2010), Sportsman 800 EFI X2 (2007‑2009), Sportsman 800 EFI Touring (2008‑2009), Sportsman 800 6×6 Big Boss (2009‑2010), RZR 800 (2008‑2010), RZR 800 S (2009‑2010), RZR 800 EPS (2009‑2010), as well as Polaris Ranger 800 XP/XP EPS (2010), Ranger 800 HD (2010), Ranger 800 Crew/Crew EPS (2010), and Ranger 800 6×6 (2010).

Do I need any special tools to install the kit?

No special tools are required beyond standard hand tools, a torque wrench, and a gasket scraper. The kit includes a detailed installation guide that walks you through each step, from removing the old gasket to torquing the head bolts to the correct specifications.

How does the chrome coating improve performance?

The chrome coating provides a hard, corrosion‑resistant surface that reduces friction and heat buildup. This results in a tighter seal, better heat dissipation, and extended component life, especially in harsh off‑road environments.

What warranty does MOTO1988 offer?

All MOTO1988 piston ring kits come with a one‑year limited warranty covering manufacturing defects. In addition, our 24‑hour customer service team is available to assist with any installation questions or part replacements.

Can I use this kit for performance upgrades?

Yes, the kit is suitable for both standard maintenance and performance upgrades. The high‑quality materials and precise tolerances help improve compression, increase power output, and enhance overall engine reliability, making it a popular choice for enthusiasts seeking better performance.