WISECO K764M865 High Compression Forged Pistons M52/S52 86.5MM 2.7cc

( Brand: Wiseco ), ( Manufacturer Part Number: K764M865 ), ( Engine Type: 4-stroke ), ( Type: Piston Kit ), ( Vintage Part: No ), ( California Prop 65 Warning: Cancer Reproductive Harm Www.p65warnings.ca.gov ), ( Performance Part: Yes )

Review WISECO New M52/s52 86.5mm High Compression Forged Pistons fits M52

Introducing the WiseCo K764M865 M52/S52 86.5mm 2.7cc High Compression Forged Pistons, a game-changer for BMW M52 and S52 engine enthusiasts seeking superior performance. These forged pistons are meticulously engineered to deliver enhanced power, unrivaled durability, and increased thermal efficiency compared to their stock counterparts.

The pistons are crafted from 2618-T6 aluminum alloy through a forging process, resulting in exceptional strength and rigidity. The forged design allows for a more uniform density throughout the piston, reducing the likelihood of piston failure due to thermal stress or engine detonation. Moreover, the forged pistons' compact design permits a higher compression ratio, enabling the engine to extract more power from each fuel cycle.

The piston's top ring groove is designed to accommodate a performance top ring, ensuring a more effective seal between the piston and the cylinder wall. Additionally, the piston skirt features a full-floating design that minimizes friction between the piston and the cylinder bore, reducing wear and extending engine life.

These high-performance pistons are compatible with the BMW M52 and S52 engines, making them an excellent upgrade for enthusiasts looking to maximize their engine's potential. With enhanced power, unmatched durability, and increased thermal efficiency, the WiseCo K764M865 M52/S52 86.5mm 2.7cc High Compression Forged Pistons are the perfect choice for those seeking an uncompromising driving experience.

Wiseco K764M865 M52/S52 86.5mm 2.7cc High Compression Forged Pistons are aftermarket pistons designed for use in BMW M52 and S52 engines. These pistons are known for their high compression ratio and forged construction. Here are some pros and cons associated with purchasing these pistons:

1. High Compression: The pistons have a high compression ratio, which can lead to increased horsepower and torque. This can result in improved engine performance and better overall driving experience.

2. Forged Construction: The forged pistons are stronger and more durable than their cast counterparts. They can withstand higher compression and temperatures, making them suitable for high-performance applications.

3. Improved Engine Longevity: By upgrading to forged pistons, the engine can be expected to last longer as these pistons are less prone to failure due to their improved strength and durability.

4. Better Thermal Efficiency: The forged pistons have a better thermal efficiency, which can lead to a more efficient combustion process and improved fuel economy.

1. Cost: The Wiseco K764M865 M52/S52 86.5mm 2.7cc High Compression Forged Pistons are more expensive than OEM (original equipment manufacturer) pistons. This can be a significant investment for some BMW owners.

2. Installation: Installing aftermarket pistons can be a complex and time-consuming process. It requires specialized tools and expertise, which can add to the overall cost of the upgrade.

3. Potential Engine Damage: If not installed correctly, the new pistons can cause damage to the engine. This includes damaging the crankshaft, connecting rods, or cylinder walls.

4. Engine Tuning: To fully utilize the potential performance benefits of the high compression pistons, engine tuning might be necessary. This can include adjusting the ignition timing, fuel mapping, and other engine parameters.

The Wiseco K764M865 M52/S52 86.5mm 2.7cc High Compression Forged Pistons offer several performance benefits for BMW M52 and S52 engines. These include increased horsepower and torque, improved engine durability, and better thermal efficiency. However, the high cost, complex installation process, potential engine damage, and the need for engine tuning are significant drawbacks.

If you are a BMW enthusiast looking to maximize the performance of your M52 or S52 engine and are willing to invest the time, money, and expertise required for the installation, then these pistons could be a worthwhile upgrade. Otherwise, it might be more practical to consider other performance modifications or to wait until a more appropriate time to make such a significant investment.

Before making a decision to purchase the Wiseco K764M865 M52/S52 86.5mm 2.7cc High Compression Forged Pistons, carefully consider the pros and cons and weigh the potential benefits against the cost, complexity, and risks involved. It is recommended to consult with a BMW performance specialist or mechanic for advice and guidance on the suitability of this upgrade for your specific application. Additionally, make sure to use a reputable and experienced installation shop to minimize the risks associated with the installation process.

Details:

I waited 3 months for them. Brand new in box Wiseco forged pistons perfect for an NA setup on m5x/s5x.

part #: k764m865 price

• $1081.99

specifications pistondon:

• for models: M52
• brand: Wiseco
• mpn: K764m865
• engine type: 4-stroke
• type: Piston Kit
• vintage part: No
• california prop 65 warning: Cancer Reproductive Harm Www.p65warnings.ca.gov
• performance part: Yes

returns pistondon:

• policy: No Returns

seller pistondon:

• # reviews: 3
• city: Milford, Connecticut
• rating: 100.0%

payments pistondon:

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

general pistondon:

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

shipping pistondon:

• class: Expedited
• carrier: USPS
• cost: $0.00
• transit: 5-11 Days
• type: Calculated
• service: USPS Priority Mail

offer pistondon:

• started: March 20, 2026
• availability: In Stock
• options: Ship-to-home
• best offers: True
• quantity: 1
• sold: 0

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