fits make: Nissan.

( Brand: Wiseco ), ( Manufacturer Part Number: K591M8625AP ), ( Part Type: Piston )
The K591M8625AP Wiseco pistons are specifically designed for the legendary Nissan Skyline GT-R RB26 and RB26DETT engines, with a bore size of 86.25mm. These high-performance pistons are engineered to deliver exceptional power and reliability, making them an ideal upgrade for any performance-oriented Skyline GT-R.
The K591M8625AP pistons feature a forged aluminum alloy construction, ensuring superior strength and durability. The piston skirts are formulated with a low-tension ring groove design, which reduces friction and promotes smooth operation. The piston tops are also equipped with Wiseco's proprietary Darton NI-SiS coating, which provides excellent heat transfer and reduces the risk of detonation.
The piston rings included with the K591M8625AP set are made of high-quality chrome molybdenum steel, ensuring a tight seal and minimal oil consumption. The pistons are also compatible with a variety of ring gap specifications, allowing for easy installation and adjustment.
In addition to their exceptional performance and durability, the K591M8625AP Wiseco pistons are also designed to provide maximum clearance for high-compression engine builds. Their unique design ensures that the pistons will not contact the engine block or cylinder head, even at high RPMs and under extreme boost conditions.
Overall, the K591M8625AP Wiseco pistons are an excellent choice for any Nissan Skyline GT-R RB26 or RB26DETT engine that is looking to maximize power and reliability. Their high-quality construction, low-friction design, and compatibility with a wide range of engine builds make them an ideal upgrade for any serious performance enthusiast.
Pros of purchasing K591M8625AP Wiseco pistons for Nissan Skyline GT-R RB26/RB26DETT:1. Improved engine performance: Wiseco pistons are known for their high-quality materials and design, which can lead to increased power and torque, making your Skyline GT-R more responsive and faster.
2. Enhanced engine durability: Wiseco pistons are made from forged aluminum alloy and feature reinforced rings, which can help prevent piston failure and increase the lifespan of your engine.
3. Reduced engine noise: The K591M8625AP pistons are designed to reduce engine noise, making your Skyline GT-R quieter and more enjoyable to drive.
4. Better thermal management: The piston design and materials used by Wiseco can help improve heat dissipation, which can lead to better engine cooling and overall performance.
Cons of purchasing K591M8625AP Wiseco pistons for Nissan Skyline GT-R RB26/RB26DETT:1. Higher cost: Wiseco pistons are generally more expensive than OEM pistons, which can be a significant investment for some owners.
2. Requires special tools: Installing Wiseco pistons requires special tools and knowledge, which may not be readily available to all owners.
3. Potential engine modifications required: Depending on the current condition of your engine, you may need to make additional modifications to ensure proper fit and function.
Conclusion:If you are looking to improve the performance and durability of your Nissan Skyline GT-R RB26/RB26DETT engine, Wiseco K591M8625AP pistons are an excellent option. They can help increase power and torque, reduce engine noise, and improve thermal management. However, the higher cost and requirement for special tools and knowledge should be considered before making a purchase. If you are comfortable with the investment and have the necessary resources, Wiseco pistons can be a great upgrade for your Skyline GT-R.
Recommendation:If you are considering purchasing Wiseco pistons for your Nissan Skyline GT-R RB26/RB26DETT, we recommend doing your research and consulting with a knowledgeable mechanic to ensure that the upgrade is appropriate for your specific engine and driving needs. Additionally, make sure to use high-quality engine oil and other maintenance items to maximize the lifespan of your new pistons.
68mm rod length 121. Valve pocket designs allow maximum flow around the valve, allowing use of oversized valves and high lift cams.
50mm comp height pin diameter 21mm 14cc grams 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 skyline gtr rb26 RB26DETT 86. 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.
25mm bore 8. Purchase from map to receive aggressive pricing and retain your manufacturers warranty.
Optimized skirt profiles minimize rock and provide long life in striker applications. Our Wiseco domestic auto and sport compact pistons are top of the line performance parts, built for demanding consumer that wants nothing but best. More fuel and air equals horsepower. Some of our sport compact pistons are even matched with high quality NPR steel nitrated rings Napier 2nd.
1:1 k591m8625 images are generic stock photos.
Piston domes are designed for optimal quench during the compression combustion cycle, resulting in resistance to detonation and pre-ignition.
The end product is longer engine life and increased horsepower potential.
These are complete sets, and come with a full set of pistons, rings, pins locks for the specific application. Please see the part number and for specifics.