J.E. PISTONS 306373 Je Fsr Piston Kit Compression 3.00MM To 96.00MM 11.5

( Brand: J.e. Pistons ), ( Manufacturer Part Number: 306373 ), ( Part Type: Piston Compression ), ( Make: Polaris )

Review J.E. PISTONS Je Fsr Piston Kit 3.00mm Oversize To 96.00mm 11.5 Compression

Introducing the JE Pistons 306373 FSR Piston Kit, an exceptional upgrade for your engine that delivers improved performance and reliability. This kit is specifically designed for applications requiring a 3.00mm piston ring gap and a 96.00mm bore diameter, making it an ideal choice for various high-performance engines.

The JE Pistons FSR piston kit is engineered with the latest technology and meticulously crafted using JE's proprietary forged material, 2618-T6 aluminum alloy. This material offers unparalleled strength and durability, ensuring the pistons can withstand the extreme pressures and temperatures of high-performance applications.

Each piston in this kit is designed with JE's FSR (Forged Structural Radial) design, which optimizes piston strength while minimizing weight. The compact, efficient design reduces piston weight, leading to improved engine response and power output. The pistons also feature a unique, full-perimeter oil squirter groove that ensures consistent oiling for optimal engine performance.

* Forged 2618-T6 aluminum alloy construction for superior strength and durability

* FSR (Forged Structural Radial) design for optimized piston strength and weight reduction

* 3.00mm piston ring gap

* 96.00mm bore diameter

* 11.5:1 compression ratio

* Full-perimeter oil squirter groove for consistent piston oiling

By upgrading to the JE Pistons 306373 FSR Piston Kit, you'll experience enhanced engine performance, improved reliability, and the confidence that comes with using high-quality components from a trusted manufacturer. This piston kit is an essential upgrade for any engine builder or performance enthusiast seeking optimal power and durability.

JE Pistons 306373 FSR Piston Kit (3.00mm 96.00mm 11.5:1 Compression) - An In-depth Analysis

The JE Pistons 306373 FSR piston kit, with a compression ratio of 11.5:1, is a popular choice among engine builders and automotive enthusiasts seeking high-performance pistons. In this analysis, we will discuss the key features, benefits, and potential drawbacks of this piston kit.

1. High-Performance Design: This piston kit is specifically designed for high-performance applications, allowing for increased power output and improved engine efficiency.

2. Forged Construction: The pistons are forged from high-strength aluminum alloy, ensuring superior durability and resistance to engine stresses.

3. Optimized Combustion Chamber: The piston's combustion chamber is designed for efficient fuel combustion, which can lead to improved engine performance and reduced emissions.

4. Low-Friction Design: The piston kit incorporates low-friction skirt coating and piston rings, helping to minimize frictional losses and reduce engine wear.

5. Precision Machining: The pistons undergo rigorous machining processes to ensure perfect fitment and optimal engine performance.

1. Cost: This piston kit is more expensive than OEM (original equipment manufacturer) pistons due to its high-performance design and forged construction.

2. Installation Complexity: Installing aftermarket pistons can be a complex process, requiring specialized tools and expertise.

3. Potential Engine Modifications: To fully realize the performance benefits of this piston kit, additional engine modifications may be necessary, such as a higher-performance camshaft, intake, and exhaust systems.

The JE Pistons 306373 FSR piston kit (3.00mm 96.00mm 11.5:1 compression) is a high-quality, forged piston solution for those seeking improved engine performance. Its benefits include a high-performance design, forged construction, optimized combustion chamber, low-friction design, and precision machining. However, its potential drawbacks include a higher cost, installation complexity, and the need for additional engine modifications.

If you're looking to maximize the potential of your engine and are willing to invest in a high-performance piston kit, the JE Pistons 306373 FSR piston kit is a strong contender. However, it's essential to consider the associated costs, installation complexity, and potential engine modifications before making a purchase. Ultimately, this piston kit is recommended for experienced engine builders and automotive enthusiasts seeking significant power gains and optimal engine efficiency.

Details:

From Dayton to Bonneville, JE Pistons continues set the standards in street bike piston design. Made in the USA. Pins, pin fitment, lock and rings included. Compression: 11.5:1 Compression, Sizing: 3.00mm Oversize, Bore: 96.00mm, Sold as: Kit.

JE has recorded wins at Dayton with American Honda's CBR600RR, low Eats on the drag strip and land speed records Bonneville. JE Pistons, Piston, This item fits the following model's: Polaris Ranger RZR XP 900 2013, Polaris 2012, 2011, 2014. Machined from 2618-T6 high tensile forged aluminum. Dome/ dish features smooth flowing radii; require no debarring or preparation.

Any damage claims may be exchanged for the identical item only.

part #: 306373 price

• $584.57

specifications pistondon:

• brand: J.e. Pistons
• mpn: 306373
• part type: Piston Compression
• make: Polaris

general pistondon:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
• condition: New

seller pistondon:

• rating: 99.7%
• # reviews: 646485
• city: Loudon, Tennessee

returns pistondon:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

offer pistondon:

• sold: 0
• started: May 11, 2026
• quantity: 2
• options: Ship-to-home
• availability: In Stock

shipping pistondon:

• class: Economy, Standard, Expedited
• cost: $0.00
• transit: 3-8 Days
• service: Economy, Standard, Expedited
• type: Fixed

payments pistondon:

• credit card: Discover
• other
• wallet: Apple-pay

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