JE Pistons Kawasaki ULTRA 300X Piston Kit

As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its range of Ultra Series pistons - The Strongest Pistons in Powersports. The Ultra Series combines all their premium features and a revolutionary new forging technology into an off-the-shelf piston kit. This includes an Aligned Grain Flow Forging, a proprietary JE technology that aligns forging grain flow in critical areas to improve strength.

• "Perfect Skirt" Coating - This patented skirt coating reduces friction and provides a tighter clearance that eliminates cold-start slap and false knock on computer-controlled engines.
• 9310 Alloy Wrist Pins: These high strength, premium thick wall
• Aligned Grain Flow Forging - These optimized 2618 alloy forgings offer added strength over traditional 2618 forgings.
• Engineered, forged and machined 100 percent in the USA
• Every feature on Ultra Series Pistons are optimized to perform flawlessly in high horsepower racing engines. This includes lateral gas ports, thicker ring lands, and dual pin oiling
• Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
• Thermal Barrier Crown Coating - This ceramic-based coating reflects heat into the combustion chamber, therefore reducing piston crown temperatures and improving exhaust gas scavenging

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

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