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  3. MOOSE RACING MP4028

MOOSE RACING MP4028 High Performance Piston Kit Standard 4-STROKE 90MM

Mp4028 Moose Racing High Performance 4-stroke Piston Kit - 90mm Standard Bore

( Brand: Moose Racing ), ( Manufacturer Part Number: MP4028 ), ( Part Type: Piston ), ( Make: Kawasaki )

Review MOOSE RACING High Performance 4-stroke Piston Kit 90mm Standard Bore

The Moose Racing MP4028 High Performance 4-Stroke Piston 90mm Standard Kit is an exceptional upgrade for ATV and UTV enthusiasts seeking increased horsepower and improved engine performance. This kit, manufactured by Moose Racing, a leading aftermarket ATV and UTV parts provider, is designed for 90mm bore engines.

The centerpiece of this kit is the high-performance 4-stroke piston. This forged piston is crafted from a durable material that can withstand the rigors of off-road riding. Its 90mm bore size allows for increased displacement, resulting in more power and torque. The piston features a low compression ratio, making it suitable for various fuel types and engine conditions.

The kit also includes a set of high-performance rings. These rings are designed to reduce friction and wear, ensuring optimal engine efficiency. They are precision machined to fit perfectly onto the piston and are made from a high-quality material that can endure the high temperatures and pressures generated by the engine.

Additionally, the Moose Racing MP4028 High Performance 4-Stroke Piston 90mm Standard Kit comes with a set of high-performance wrist pins. These pins are designed to securely hold the piston in place, allowing it to function optimally under the most demanding conditions.

The kit also includes a set of piston rings end gaps. These gaps ensure the proper clearance between the piston rings and the cylinder wall, ensuring optimal sealing and preventing oil leaks.

Lastly, the Moose Racing MP4028 High Performance 4-Stroke Piston 90mm Standard Kit includes a set of gaskets. These gaskets are designed to provide a tight seal between the engine components, preventing any oil or coolant leaks.

In summary, the Moose Racing MP4028 High Performance 4-Stroke Piston 90mm Standard Kit is an essential upgrade for ATV and UTV owners looking to boost their engine's power and performance. With its high-quality forged piston, precision-machined rings, robust wrist pins, and reliable gaskets, this kit is guaranteed to deliver impressive results on the trail.

The Moose Racing MP4028 High Performance 4-Stroke Piston 90mm Standard Kit is designed for ATV (All-Terrain Vehicle) or UTV (Utility Terrain Vehicle) users who want to enhance their engine's performance. Here are some pros and cons that might help you make an informed decision about purchasing this kit:

Pros:

1. Increased Power: The high-performance piston kit can help increase the power output of your ATV or UTV engine. This can lead to improved acceleration and better overall performance.

2. Enhanced Durability: The 4-stroke design of this kit provides better durability and reliability compared to 2-stroke engines. This can help reduce maintenance costs and extend the life of your engine.

3. Improved Efficiency: The 90mm bore size of this kit can help improve the efficiency of your engine by allowing more fuel and air to be burned during each combustion cycle.

4. Easy Installation: The Moose Racing MP4028 kit comes with all the necessary components for installation, making it a relatively easy process for most users.

Cons:

1. Cost: The Moose Racing MP4028 High Performance 4-Stroke Piston 90mm Standard Kit can be quite expensive compared to other aftermarket performance parts.

2. Complexity: Installing a high-performance piston kit can be a complex process that requires a certain level of mechanical knowledge and experience.

3. Potential Performance Variations: Every engine is unique, and the performance gains from this kit may vary depending on the specific make and model of your ATV or UTV.

Conclusion:

The Moose Racing MP4028 High Performance 4-Stroke Piston 90mm Standard Kit is an excellent option for ATV or UTV users who are looking for increased power, enhanced durability, and improved efficiency from their engine. However, it comes with a higher price tag and requires a certain level of mechanical knowledge and experience for installation. Ultimately, the decision to purchase this kit depends on your specific needs, budget, and technical abilities.

Recommendation:

If you are an experienced ATV or UTV user with a good understanding of engine performance and installation processes, and you are willing to invest in a high-performance piston kit to enhance your vehicle's power and efficiency, then the Moose Racing MP4028 High Performance 4-Stroke Piston 90mm Standard Kit is a solid choice. However, if you are new to ATV or UTV modifications or have a limited budget, you may want to consider other, more affordable performance upgrades.

Details:

Full radius dome designs maximize quench while eliminating hot spots that promote detonation. Made in the USA. Sold as: Kit. Moose Racing pistons feature x-style forgings and fully boxed-style race pistons for ultimate strength, minimizing friction, durability, power, weight reduction.

Internal bracing maximizes durability while decreasing friction in the pin assembly. These are called out in the application chart. Our race piston kits include a DLC pin. Any damage claims may be exchanged for the identical item only.

This technology has been proven and used because of its high resistance to abrasive wear, which extends the service life reliability under extreme conditions. Fully-boxed race pistons forgings come standard with skirt coating which reduces friction, in turn heat. Each Moose Racing piston kit includes a high performance piston, wrist pin, rings, cir clips, and top end gasket. Replacement parts available.

The Pro Race Piston allows the pin to flex while removing stress from area. The Pro Race Piston increases the durability by reducing stresses in pin bore area. Moose, High Performance 4-Stroke Piston Kit, 90mm Standard Bore Motors part, This item fits the following model's: Kawasaki KFX400 2006, Kawasaki 2005, 2004, 2003, Suzuki LT-Z400 Quad Sport Z 2014, 2013, 2012, 2009, 2008, 2007, LE 2012.

part #: mp4028 price

  • $326.95

specifications pistondon:

  • brand: Moose Racing
  • mpn: Mp4028
  • part type: Piston
  • make: Kawasaki

returns pistondon:

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

general pistondon:

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

seller pistondon:

  • rating: 99.4%
  • city: Loudon, Tennessee
  • # reviews: 609153

shipping pistondon:

  • transit: 4-10 Days
  • type: Fixed
  • cost: $0.00
  • class: Economy, Standard, Expedited
  • service: Economy, Standard, Expedited

payments pistondon:

  • wallet: Google-pay
  • credit card: Mastercard
  • other

offer pistondon:

  • started: January 5, 2026
  • quantity: 5
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
part type: piston,
manufacturer: kawasaki, category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 9771701137673633,

Moose Racing MP4028 Is Similar To:

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5 offers $326.95–$326.95 USD
  • Offer #1: $326.95 price + $0.00 shipping estimate = $326.95* total. Our race piston kits include a DLC pin. Moose Racing pistons feature x-style forgings and fully boxed-style (race pistons) forgings for ultimate strength, minimizing friction, durability, power, and weight reduction.FREE SHIPPING
  • Offer #2: $326.95 price + $0.00 shipping estimate = $326.95* total. This item fits the following applications. Kawasaki KFX400 2003-2006.FREE SHIPPING
  • Offer #3: $326.95 price + $0.00 shipping estimate = $326.95* total. Genuine Moose Racing Products.FREE SHIPPING
  • Offer #4: $326.95 price + $0.00 shipping estimate = $326.95* total. High Performance 4-Stroke Piston Kit, 90mm Standard Bore Motors part.FREE SHIPPING
  • Offer #5: $326.95 price + $0.00 shipping estimate = $326.95* total.FREE SHIPPING

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