1. Pistons, Rings & Piston Kits Products
  2. sku: 7436714211870633
  3. ATHENA P4C0664045001A

ATHENA P4C0664045001A Top End Cast Piston Kit 66.34MM

fits model: Sx, 250. make: Ktm. year: 2007–2016.

P4c0664045001a Athena Top End Cast Piston Kit Size A 66.34mm Ktm 250 Sx 2007-2016

( Brand: Athena ), ( Manufacturer Part Number: P4C0664045001A ), ( Part Type: Piston )

Review ATHENA Top End Cast Piston Kit Size 66.34mm Ktm fits SX 250 2007–2016

Introducing the Athena P4C0664045001A Top End Cast Piston Kit, specifically designed for KTM 250 SX motorcycles manufactured between 2007 and 2016. This piston kit is an excellent choice for riders seeking top-tier performance and reliability from their motorbikes.

The Athena P4C0664045001A Top End Cast Piston Kit comprises a complete set of high-performance pistons, specifically engineered to fit and function optimally in the KTM 250 SX engines of the specified model years. Each piston is meticulously crafted from premium-grade aluminum alloy, ensuring superior strength, durability, and heat resistance.

The piston crowns are machined to precise tolerances, featuring optimized compression ratios and piston dome shapes. These design elements work in harmony to enhance combustion efficiency, delivering increased power output and torque. The piston skirts are designed with a low friction coating to minimize wear and tear, ensuring smooth and efficient engine operation.

Moreover, the pistons in this kit are equipped with lightweight, strong, and durable wrist pins that are held in place by high-quality, low-friction piston rings. These rings ensure an effective seal between the piston and the cylinder wall, preventing engine oil leakage and maintaining optimal compression.

This Athena Top End Cast Piston Kit is an ideal upgrade for KTM 250 SX motorcycles that have seen extensive use or have experienced piston failure. By installing this kit, riders can restore their bike's performance to factory-new levels, ensuring a more enjoyable and thrilling riding experience. Additionally, the kit's high-quality components contribute to increased engine life, reducing the need for frequent repairs and maintenance.

In conclusion, the Athena P4C0664045001A Top End Cast Piston Kit is a must-have for KTM 250 SX riders seeking optimal engine performance, reliability, and longevity. With its high-performance aluminum pistons, optimized compression ratios, and durable wrist pins and piston rings, this kit delivers unmatched power output, torque, and efficiency, making it an essential upgrade for any KTM 250 SX motorcycle.

The Athena P4C0664045001A top end cast piston kit is designed for KTM 250 SX motorcycles manufactured between 2007 and 2016. Here are some pros and cons of buying this piston kit.

Pros:

1. High-quality material: The piston kit is made of top-grade aluminum alloy, ensuring durability and reliability.

2. Precision engineered: The piston kit is engineered to fit perfectly in the engine, reducing the chances of engine damage due to misfits.

3. Improved performance: The piston kit can help improve engine performance by providing a better compression ratio and increasing power output.

4. OEM replacement: This piston kit is an OEM replacement, meaning it is designed to function identically to the original equipment, ensuring optimal engine performance.

5. Cost-effective: Compared to other aftermarket options, the Athena piston kit is relatively affordable, making it a cost-effective solution for motorcycle owners.

Cons:

1. Installation complexity: Installing the piston kit requires a certain level of mechanical expertise and experience, which can be a challenge for some motorcycle owners.

2. Potential for engine damage: Installing the piston kit incorrectly can lead to engine damage, which can be costly to repair.

3. Availability: It may not be readily available in all regions, requiring motorcycle owners to order it online or from specialized dealers.

Conclusion:

The Athena P4C0664045001A top end cast piston kit is a high-quality and cost-effective solution for KTM 250 SX motorcycle owners who are looking to upgrade their engine components. However, it requires a certain level of mechanical expertise to install correctly, and installing it incorrectly can result in engine damage. Therefore, it is recommended that motorcycle owners consider having the kit installed by a professional mechanic to ensure optimal engine performance and prevent potential damage. Overall, the benefits of improved performance and durability make this piston kit a worthwhile investment for KTM 250 SX owners.

Details:

The smooth profile ensures a regular flow and the perfect flame propagation. The gasket kit is produced following the strict parameters set by manufacturers. KTM 250 XC 2006 -2016. The piston for 2-stroke Off-Road are produced by numerical control CNC machines.

Athena Top End Cast Piston Kit Size A 66.34mm KTM 250 SX 2007 -2016: Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability OE piston, while at time providing greater resistance and excellent performance. This item fits the following applications. The gasket is made from raw materials and performs surface treatments to compensate for irregularities follows material stress relieving process improve sealing in the most critical areas. Piston rings guarantee high seal to the cylinder walls with less friction and therefore a higher performance.

Compression Ratio. Made of special high performance aluminum alloy with silicon content that guarantee the same reliability OE piston.

part #: p4c0664045001a prices

  • $140.32-$173.58

specifications pistondon:

  • for models: Sx, 250
  • for makes: Ktm
  • for years: 2007-2016
  • brand: Athena
  • mpn: P4c0664045001a
  • part type: Piston

returns pistondon:

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

payments pistondon:

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

seller pistondon:

  • # reviews: 619845
  • city: Grand Rapids, Michigan
  • rating: 99.3%

shipping pistondon:

  • cost: $0.00
  • carrier: UPS
  • type: Fixed
  • service: UPS Ground
  • class: Standard
  • transit: 3-6 Days

general pistondon:

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

offer pistondon:

  • availability: In Stock
  • sold: 0
  • started: July 19, 2025
  • quantity: 4
  • options: Ship-to-home
for models: sx, 250, for makes: ktm, for years: 2007-2016, part type: piston,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 7436714211870633,

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5 offers $140.32–$173.58 USD
  • Offer #1: $140.32 price + $0.00 shipping estimate = $140.32* total. Having two products in one kit that work perfectly together for an excellent result. Part Number:.FREE SHIPPING
  • Offer #2: $161.06 price + $0.00 shipping estimate = $161.06* total. THE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS Having two products in one kit that work perfectly together for an excellent result. Athena Top End Piston Kits.FREE SHIPPING
  • Offer #3: $173.58 price + $0.00 shipping estimate = $173.58* total. SEAL, RELIABILITY Due to its experience in the sector of over 40 years, Athena also boasts an important reputation for the reliability of its gaskets. Athena presents on the market the new Top End Piston Kit which includes a cast 2-stroke piston and the top end gasket kit.FREE SHIPPING
  • Offer #4: $164.63 price + $0.00 shipping estimate = $164.63* total. Athena Top End Piston Kits THE PERFECT COMBINATION OF TWO ESSENTIAL ENGINE COMPONENTS Having two products in one kit that work perfectly together for an excellent result.FREE SHIPPING
  • Offer #5: $134.86 price + $0.00 shipping estimate = $134.86* total.FREE SHIPPING

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