fits model: Gt. make: Nissan.

( Brand: Wiseco ), ( Manufacturer Part Number: K681M9558AP ), ( Part Type: Piston )
Introducing the K681M9558AP Wiseco Pistons, specifically designed for Nissan GTR (R35), GT-R, VR38, and VR38DETT engines. These high-performance pistons offer an exceptional upgrade for your engine, delivering increased power, reliability, and improved overall performance.
The K681M9558AP Wiseco Pistons are crafted using Wiseco's proprietary forged 2618-T6 aluminum alloy. This material ensures superior strength and durability, capable of withstanding the extreme pressures and temperatures associated with high-performance driving. The piston's skirt is designed with a unique, full-float, flat-top design, which promotes optimal ring seal for reduced blowby and increased efficiency.
The piston's rings are made from high-quality, chrome molybdenum steel, featuring a multi-lobe, composite coated design. This innovative construction reduces friction, minimizes ring wear, and ensures a consistent, long-lasting seal between the piston and cylinder wall. The ring lands are further reinforced with Wiseco's exclusive, patented, double-dome design, which increases strength and reduces the risk of ring groove failure.
The K681M9558AP Wiseco Pistons feature a 9.5mm pin bore, making them an ideal choice for boosted applications. The piston's compression height of 11.020 inches ensures optimal clearance for turbochargers and other performance upgrades. The piston's diameter is 95.58mm, providing ample displacement for increased power output.
The piston's crown is optimized for peak efficiency, with a 11.5:1 compression ratio. This ratio ensures the efficient combustion of fuel, maximizing power output while maintaining engine reliability. The piston's crown also features a unique, dish-shaped design, which promotes even heat distribution and reduces the risk of detonation.
Installing the K681M9558AP Wiseco Pistons is straightforward, thanks to their precision machining and tight tolerances. Each piston is inspected and balanced to ensure a smooth and efficient engine operation. The piston's skirt is also honed for a perfect fit in the cylinder bore, ensuring a tight seal and reduced engine noise.
In conclusion, the K681M9558AP Wiseco Pistons are a high-quality, high-performance upgrade for your Nissan GTR, GT-R, VR38, and VR38DETT engines. Whether you're looking to boost your power output, improve engine reliability, or simply want to upgrade to a more durable and efficient piston, the K681M9558AP Wiseco Pistons are an excellent choice.
Pros of Buying Wiseco Pistons (K681M9558AP) for Nissan GTR (VR38/VR38DETT):1. High-quality material: Wiseco pistons are made from forged 2618-T6 aluminum alloy, which is known for its strength and durability. This ensures that the pistons can withstand high cylinder pressures, making them suitable for high-performance applications.
2. Heat treatment: The pistons undergo a special heat treatment process, which helps to increase their strength and hardness. This results in better wear resistance and improved performance in high-power applications.
3. Designed for specific applications: Wiseco pistons are specifically designed for the Nissan GTR's VR38/VR38DETT engine, taking into account the engine's specifications and requirements. This ensures a perfect fit and optimal performance.
4. Improved combustion: The piston design and material can help improve combustion efficiency, resulting in better fuel efficiency and power output.
Cons of Buying Wiseco Pistons (K681M9558AP) for Nissan GTR (VR38/VR38DETT):1. Cost: Wiseco pistons are typically more expensive than OEM pistons. This may be a deterrent for some buyers who are looking for a more cost-effective solution.
2. Installation: Installing aftermarket pistons can be a complex process that requires specialized tools and knowledge. It is recommended to have the installation done by a professional to ensure proper fit and function.
3. Warranty: Aftermarket parts like Wiseco pistons may not have the same warranty coverage as OEM parts. This means that any issues with the pistons may not be covered under warranty.
Conclusion:Wiseco pistons are a high-quality aftermarket option for the Nissan GTR's VR38/VR38DETT engine. They offer improved strength, durability, and performance, making them suitable for high-power applications. However, they come at a higher cost and may require professional installation. It is recommended to weigh the pros and cons and consider your specific needs and budget before making a purchase.
Recommendation:If you are looking for high-performance pistons for your Nissan GTR, Wiseco pistons may be a good option to consider. However, it is important to ensure that you have the necessary tools and knowledge to install them correctly, or to have them installed by a professional. Additionally, be aware of the warranty coverage and make sure it aligns with your needs.
Piston domes are designed for optimal quench during the compression combustion cycle, resulting in resistance to detonation and pre-ignition. Optimized skirt profiles minimize rock and provide long life in striker applications.
The end product is longer engine life and increased horsepower potential. Valve pocket designs allow maximum flow around the valve, allowing use of oversized valves and high lift cams. More fuel and air equals horsepower.
8cc dish Wiseco pistons have proven themselves in a variety of motor sports applications from mild 150 horsepower street engines to race cars. Please see the for information regarding shipping costs and available methods.
Wiseco pistons for Nissan Gtr Gt-r vr38 VR38DETT 95.
5:1 K681M9558AP images are generic stock photos. Purchase from map to receive aggressive pricing and retain your manufacturers warranty. These are complete sets, and come with a full set of pistons, rings, pins locks for the specific application. Made in the USA Wiseco domestic auto and sport compact pistons are forged machined in-house receive a full compliment of power enhancing features.
Piston crown shapes are designed to promote the maximum intake charge efficiency through a scavenging mixture cross flow during and exhaust valve overlap.
Some of our sport compact pistons are even matched with high quality NPR steel nitrated rings Napier 2nd.
58mm bore 9.
40mm rod length 165mm comp height our Wiseco domestic auto and sport compact pistons are top of the line performance parts, built for demanding consumer that wants nothing but best.