JE PISTONS 391730 Piston Kit Ring Pack Wrist 193564557148 4.320

( Brand: Je Pistons ), ( Manufacturer Part Number: 391730 ), ( Part Type: Ring Piston ), ( UPC: 193564557148 )

Review JE PISTONS Piston Kit For 4.320 Inch Premium Ring Pack And Wrist fits M8

Introducing the Je Pistons 391730 piston, an essential component of the 4.320mm 8-ring pack wrist pin kit for your engine. This piston is meticulously engineered to deliver superior performance, reliability, and durability.

The Je Pistons 391730 piston is crafted from forged 2618-T6 aluminum alloy, ensuring a strong and robust structure. The piston skirt is designed with an optimized shape to provide a perfect seal against the engine's cylinder wall, minimizing friction and maximizing power transfer.

This piston features a state-of-the-art, flat-top design with a dish diameter of 4.320mm. The piston crown is meticulously machined to offer a perfect combustion chamber shape to ensure efficient combustion and optimal engine performance. The piston also includes a wrist pin bore diameter of 22.5mm, making it compatible with various connecting rod designs.

The Je Pistons 391730 piston is part of an 8-ring pack wrist pin kit, which includes two pistons and two wrist pins. The 8-ring pack design offers increased compression ratio and thermal efficiency, resulting in increased horsepower and torque. The wrist pins are made of high-strength, heat-treated steel, ensuring they can withstand the extreme pressures generated within the engine.

The piston rings included in this kit are also of the highest quality. The compression rings are made of nitrided, chrome-molybdenum alloy, providing excellent sealing properties and resistance to wear. The oil control rings are made of chrome-plated, low-tension steel, ensuring efficient oil control and minimal oil consumption.

This Je Pistons 391730 piston is designed to meet or exceed OEM specifications, ensuring a perfect fit and reliable operation. Each piston undergoes rigorous testing to ensure it meets the highest standards of quality and performance.

In summary, the Je Pistons 391730 piston is a high-performance, reliable, and durable component of the 4.320mm 8-ring pack wrist pin kit. It is meticulously engineered to offer increased power, improved efficiency, and enhanced reliability, making it an excellent choice for those seeking to maximize the performance of their engine.

Buying Je Pistons 391730 Piston for 4.320mm 8-Ring Pack Wrist Kit: A Detailed Analysis

The Je Pistons 391730 piston is a popular choice for those seeking high-performance upgrades for their engines. This piston is part of the 8-ring pack wrist kit, which is designed to provide increased strength and durability. In this analysis, we will discuss the pros and cons of purchasing this piston kit.

1. Enhanced Performance: The 8-ring pack wrist kit is designed to increase the compression ratio, leading to improved engine performance. This can result in increased horsepower and torque, making it a popular choice for those seeking to enhance their vehicle's power output.

2. Durability: The multi-ring design of the wrist pin increases the contact area between the piston and connecting rod, reducing the risk of wear and failure. This is especially important in high-performance applications where the engine sees increased stress.

3. Improved Engine Longevity: By reducing the risk of wear and failure, the Je Pistons 391730 piston can help improve the overall longevity of the engine. This can save vehicle owners money in the long run by reducing the need for frequent repairs and replacements.

1. Cost: The Je Pistons 391730 piston is a premium product, and the cost reflects its high-performance capabilities. This may be a barrier to entry for some vehicle owners, especially those on a tight budget.

2. Installation Complexity: Installing the Je Pistons 391730 piston and the accompanying 8-ring pack wrist kit requires a significant amount of expertise and experience. This may require the assistance of a professional mechanic, adding to the overall cost of the upgrade.

3. Potential for Engine Damage: Installing the wrong piston or improperly installing the kit can result in severe engine damage. This is a risk that vehicle owners must be aware of and take seriously when considering this upgrade.

The Je Pistons 391730 piston and the accompanying 8-ring pack wrist kit offer several advantages, including enhanced performance, durability, and improved engine longevity. However, these benefits come at a cost, both in terms of financial investment and the complexity of the installation process. Vehicle owners must carefully weigh the pros and cons and consider their budget, expertise, and goals before making a purchase.

If you are a vehicle owner seeking significant performance upgrades and are willing to invest the time, money, and expertise required for this upgrade, the Je Pistons 391730 piston and 8-ring pack wrist kit can be an excellent choice. However, if you are on a tight budget or lack the necessary expertise for installation, it may be best to consider alternative upgrades or invest in professional services to ensure a successful and safe installation.

Details:

An offset pin design minimizes piston rock and engine noise, resulting in quieter operation improved balance. The ceramic crown coating reduces heat transfer, helping to maintain optimal operating temperatures and extend piston life. Features: Proprietary aligned grain flow forging technology for maximum tensile strength Ceramic crown coating reduces heat transfer and enhances durability Internal external bracing maintains optimal strength-to-weight ratio 3D under crown milling weight in non-critical areas Lateral gas ports accumulator groove ensure consistent ring seal at high RPM boost Skirt decreases operating friction wear Offset piston pin minimizes rock engine noise notches provide clearance bottom dead Complete kit includes two Pistons, premium pack, wrist pins, wire locks The JE Pistons Piston Kit, part number 391730, is engineered high-performance engines requiring. The 3D under crown milling in non-critical areas reduces overall weight without compromising structural integrity, enhancing engine responsiveness and efficiency.

Crafted with proprietary aligned grain flow forging technology, these Pistons deliver exceptional tensile strength, making them suitable for demanding environments. Both internal and external bracing ensure an ideal strength-to-weight ratio, contributing to the Pistons durability longevity under high stress conditions. The skirt coating minimizes operating friction and wear throughout the Pistons service life, promoting smooth operation reducing maintenance needs. Lateral gas ports and an accumulator groove maintain a reliable ring seal even at high PMS boosted pressures, ensuring consistent power output.

part #: 391730 prices

• $551.70-$694.99

specifications pistondon:

• for models: M8
• brand: Je Pistons
• mpn: 391730
• part type: Ring Piston
• upc: 193564557148

offer pistondon:

• started: September 16, 2025
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 7

seller pistondon:

• city: Laramie, Wyoming
• rating: 97.5%
• # reviews: 1808

payments pistondon:

• credit card: Diners-club
• other
• wallet: Google-pay

general pistondon:

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

returns pistondon:

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

shipping pistondon:

• class: Standard
• transit: 2-6 Days
• carrier: FedEx
• type: Fixed
• cost: $5.00
• service: FedEx Ground / FedEx Home Delivery

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