WISECO RE903M06640 Piston Kit Standard 2-STROKE 66.40MM

( Brand: Wiseco ), ( Manufacturer Part Number: RE903M06640 ), ( Part Type: Piston )

Review WISECO 2-stroke Piston Kit Standard Bore 66.40mm fits RACER ELITE

Introducing the WISCO Racer Elite 2-Stroke Piston Kit with part number 66.40mm (RE903M06640), designed for high-performance racing applications. This piston kit is engineered to deliver exceptional power output, increased durability, and enhanced reliability for your 2-stroke engine.

The piston is manufactured from forged aluminum alloy, ensuring superior strength and heat resistance. Its ultra-smooth, polished surface minimizes friction, reducing engine wear and improving overall efficiency. The piston also features a low-friction, nitrided wrist pin, which reduces piston side play and enhances power transmission.

The piston ring set includes a compression ring, an oil control ring, and a skirt ring. The rings are made from high-quality, heat-resistant materials, ensuring consistent sealing and optimal engine performance. The oil control ring's optimized design helps minimize oil consumption and prevents excessive oil from entering the crankcase.

The piston pin is made from high-strength steel, ensuring it can handle the extreme loading conditions of high-performance applications. It features a nickel-chromium coating, which reduces friction and wear, ensuring long-lasting performance.

The piston kit also includes a cylinder pin, which is precision machined from heat-treated steel. Its close tolerances and precision surface finish ensure optimal engine performance and durability.

The piston kit is designed to fit a wide range of 2-stroke engines, making it an excellent choice for racers and high-performance enthusiasts. It is also backed by WISCO's commitment to quality and customer service, ensuring that you receive a product that exceeds your expectations.

In summary, the WISCO Racer Elite 2-Stroke Piston Kit (RE903M06640) is a high-performance solution for racers and enthusiasts seeking exceptional power output, durability, and reliability from their 2-stroke engines. Its forged aluminum piston, high-quality piston rings, heat-treated cylinder pin, and precision machined components deliver exceptional performance, while its high-quality materials and meticulous manufacturing processes ensure long-lasting durability.

WiseCO RE903M06640 Racer Elite 2-Stroke Piston Kit: An In-depth Analysis

The WiseCO RE903M06640 Racer Elite 2-Stroke Piston Kit is a popular aftermarket upgrade for various 66.40mm 2-stroke engines. This piston kit boasts several improvements over the stock components, aiming to deliver better performance, durability, and reliability. In this analysis, we will discuss the advantages and disadvantages of purchasing this piston kit.

1. Enhanced Performance: The WiseCO piston kit is designed for high-performance applications. The piston and ring set are made from top-quality materials, ensuring improved combustion efficiency and increased power output.

2. Improved Durability: The Racer Elite piston kit is engineered to withstand the rigors of high-performance riding. The piston is reinforced with a stronger material, while the rings are made from a more durable alloy, reducing the likelihood of failure.

3. Better Heat Resistance: The piston kit is designed to dissipate heat effectively. The piston itself is made from a high-temperature alloy, and the rings are coated to prevent scuffing and wear.

4. Superior Ring Sealing: The piston kit includes a set of high-performance rings that provide better sealing against cylinder wall wear. This results in improved engine efficiency and reduced oil consumption.

5. Customizable: The WiseCO Racer Elite piston kit is available in various sizes to fit various engines, ensuring a wide range of compatibility.

1. Higher Cost: The WiseCO Racer Elite piston kit is more expensive than stock piston kits. However, the performance improvements and enhanced durability may justify the additional cost for some users.

2. Installation Complexity: Installing the piston kit requires a certain level of experience and expertise. It is recommended that the installation be performed by a professional mechanic to ensure proper fitment and functioning.

3. May Not Fit All Engines Perfectly: While the WiseCO Racer Elite piston kit is designed to fit a wide range of engines, it may not fit all engines perfectly. Careful measurement and consultation with the manufacturer or a professional mechanic are essential to ensure proper compatibility.

The WiseCO RE903M06640 Racer Elite 2-Stroke Piston Kit offers several advantages over stock components, including enhanced performance, improved durability, better heat resistance, superior ring sealing, and customizability. However, it comes with a higher cost, installation complexity, and potential compatibility issues.

If you are looking for significant performance improvements, increased durability, and a customizable upgrade for your 2-stroke engine, the WiseCO Racer Elite piston kit may be worth the investment. However, if you are on a tight budget or prefer a hassle-free installation, you may want to consider a stock piston kit or consult with a professional mechanic to determine the best option for your specific engine and riding requirements.

Details:

Any damage claims may be exchanged for the identical item only. Bore - Actual: 66.40mm. Skirt Coating: Armor Plating, Armor Fit. Note: Racers Elite.

Enhanced ring seal for long life and performance. Wiseco, Re903ps Piston M06640 Rm250, This item fits the following model's: Suzuki RM250 2008, Suzuki 2007, 2006, 2005, 2004, 2003. Armor Fit skirt coating conforms to the bore for ultimate in piston control and wear. Optimized design for extreme conditions and racing applications.

Bore - Oversize: STD. Protects the crown from harmful detonation. Bore: 66.40mm, Sizing: Standard Bore, Sold as: Kit. Bore - Standard: 66.40mm.

Improves pin bore for decreased wear and bore deformation. Improved Performance utilizing premium quality rings with enhanced dimensional control, which results in improved sealing and power increases.

part #: re903m06640 prices

• $249.99-$349.27

specifications pistondon:

• for models: Racer, Elite
• brand: Wiseco
• mpn: Re903m06640
• part type: Piston

seller pistondon:

• city: Loudon, Tennessee
• rating: 99.7%
• # reviews: 648667

returns pistondon:

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

shipping pistondon:

• class: Economy, Standard, Expedited
• type: Fixed
• cost: $0.00
• service: Economy, Standard, Expedited
• transit: 4-11 Days

payments pistondon:

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

general pistondon:

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

offer pistondon:

• availability: In Stock
• quantity: 4
• sold: 0
• options: Ship-to-home
• started: May 18, 2026

Wiseco RE903M06640 Is Similar To:

• Wiseco 5139k Used Forged Pistons Harley Tc 3.875 Inch Bore 96 To 103 (40.3% similar) These will increase a 96 Harley twin cam to 103. Talk to your machinist before purchasing. They are flat top pistons and will increase compression to 9.6:1 with stock heads. Two used forged Wiseco pistons. The skirts have wear, as seen in the images, but should work fine if your...(May 15th, 2024)
• Honda 12100-ml3-870 1988 Cr500 Cr 500 Cylinder Jug Wiseco Piston Top End Gaskets (24.7% similar) New Wiseco piston kit complete with rings, wrist pin and cir-clips. New top end gaskets kit. 1988 Honda CR500 cylinder jug Wiseco piston top end gaskets, kit includes-, factory oem cylinder bored to new piston. Ready to install kit...(May 19th, 2024)
• Wiseco 2165cd 1985 85 Honda Cr125r Cr 125r 125 Piston Rings 55mm (36.2% similar) For sale is the piston rings 55MM that was removed from a 1985 Honda CR125R. The condition of this item is displayed in the pictures above. I do my best to describe the condition of parts in and pictures...(May 21st, 2024)
• Wiseco 4393p2 Piston And Rings Honda Atc Trx 350 85-89 43934p2 4393m0 (36.4% similar) The set includes Wiseco renowned 4393P2 model piston and rings, ensuring that your engine runs smoothly efficiently. Otherwise the piston and rings are almost like new. This Wiseco piston and ring set is an excellent choice for Honda ACT TRX 350 model's manufactured between 1985 1989 ...(May 24th, 2024)
• Wiseco 645m04750 Like New Pro-lite Piston Stock 47.5mm Bore For Suzuki Rm80 1991-2001 (42.8% similar) 2 wrist pin cir clips. This Wiseco kit contains the needed components to replace one piston. Wiseco individual piston kit. Includes: 1 Wiseco piston. Wiseco participates in nearly every form of racing including supergrass, motocross, GCC, orcs, moot GP, super bike, NRA pro stock...(May 30th, 2024)
• Wiseco 40144m07800 Piston Kit Standard 78 Mm 40144m07800 (51.9% similar) Wiseco piston kit standard 78MM 40144M078 gas / Husqvarna KTM see below for compatible machines, kit is in good condition. Pictures show most significant blemishes but not every blemish. See pictures for details fully functional no bends cracks or defects. Piston kit includes piston...(June 1st, 2024)
• Wiseco 40082m09600 Piston Kit Standard Bore 95.95mm 12.5 1 Compression (54.8% similar) Used piston has about 4 hours on it. Good condition with wrist pin and cir clips rings...(June 10th, 2024)
• Wiseco 806m04800 Like New Piston Kit Pro-lite For Husqvarna Kawasaki Suzuki And Yamaha (40% similar) Now you can own the same race parts as all top teams. Service intervals may be increased with racers choice pistons over conventional Wiseco pistons, and are for expert racers tuners only. Cylinder sleeves must be purchased separately. When blow-by starts to increase on other pistons and power...(June 12th, 2024)
• Wiseco Pk1237 Motorcycle Piston Kit With Top-end Gasket (39.7% similar) Please review the pictures above carefully. Nothing else comes with this offer. Manufacturer - Wiseco, part number PK1237. Fits 04-05 Kawasaki KX250F, 04-06 Suzuki RMZ250. There is minor grease throughout and some parts have already been assembled. Missing: please see...(June 27th, 2024)
• Wiseco 526m06700 Honda Cr250 Atc250 Trx250 Piston (32.5% similar) Parts are listed for the year and model stated. See pictures. Item: Honda CR250 ATC250 TRX250 piston 526M067 condition: in very good condition...(June 28th, 2024)
• Wiseco 4875m05350 Top End Piston For Kawasaki Klx 110 02-12 53.50mm (39.7% similar) Wiseco top end piston for Kawasaki JLX 110 02-12 53.50MM 4875M05350...(July 2nd, 2024)