fits model: S13, Sr20det. make: Nissan.

( Brand: Wiseco ), ( Manufacturer Part Number: K556M86AP ), ( Part Type: Piston )
The K556M86AP Wiseco Piston is an exceptional upgrade for your Nissan S13, S14, or SR20DE/SR20DET engine, specifically designed for an 86mm bore size and 9.0 compression ratio. This piston is manufactured by Wiseco, a renowned name in the automotive aftermarket industry known for its high-quality engine components.
The K556M86AP piston is crafted from 2618-T6 aluminum alloy, ensuring strength and durability while keeping weight at a minimum. Its crown is optimized with a unique radius design for improved combustion efficiency, resulting in increased horsepower and torque. The piston also features a secondarily honed skirt for better ring seal and reduced friction, contributing to improved engine performance and longevity.
The wrist pin in this piston is made from chrome molybdenum steel, providing excellent strength and durability, while the piston pin bore is honed for smooth operation and reduced friction. The K556M86AP piston also comes with a high-quality, fully floating wrist pin, ensuring proper pin retention and reduced wear.
The piston ring package includes a top ring, second ring, and oil control ring, all manufactured from high-quality materials for superior ring-to-block seal and reduced oil consumption. The top ring is specially designed to prevent detonation and promote optimal combustion, while the oil control ring helps maintain oil control in the engine.
In conclusion, the K556M86AP Wiseco Piston is an excellent choice for boosting the performance of your Nissan S13, S14, or SR20DE/SR20DET engine. Its high-quality materials, optimized design, and comprehensive piston ring package make it an excellent upgrade for enthusiasts looking to enhance their engine's performance and reliability.
Pros of buying Wiseco K556M86AP Pistons:1. High-Quality Material: Wiseco pistons are known for their high-quality materials, including forged aluminum alloys, which provide excellent strength and durability.
2. Enhanced Performance: These pistons are designed to increase the power output of your SR20DE or SR20DET engine by up to 20%.
3. Improved Compression Ratio: The 86mm bore and 9.0:1 compression ratio of the K556M86AP pistons can help improve combustion efficiency and power delivery.
4. Customizable: Wiseco offers a wide range of custom options, including different skirts, rings, and pin sizes, to suit your specific engine build requirements.
Cons of buying Wiseco K556M86AP Pistons:1. Expensive: Wiseco pistons are typically more expensive than OEM (original equipment manufacturer) pistons.
2. Requires Professional Installation: Installation of these pistons requires specialized tools and skills, and should be done by a professional mechanic.
3. Potential for Engine Damage: If not installed correctly, or if used with incorrect supporting components, these pistons can cause engine damage.
Conclusion:The Wiseco K556M86AP pistons are a high-quality option for those looking to improve the performance of their SR20DE or SR20DET engine. However, their high cost and the need for professional installation can be drawbacks for some. It is essential to ensure that the pistons are correctly installed and used with the appropriate supporting components to avoid potential engine damage.
Recommendation:If you are considering purchasing Wiseco K556M86AP pistons for your Nissan S13 or S14, we recommend consulting with a professional mechanic to ensure that the installation is done correctly. Additionally, make sure to research the appropriate supporting components to ensure compatibility and proper operation of your engine.
Some of our sport compact pistons are even matched with high quality NPR steel nitrated rings Napier 2nd. Optimized skirt profiles minimize rock and provide long life in striker applications.
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. More fuel and air equals horsepower.
Piston domes are designed for optimal quench during the compression combustion cycle, resulting in resistance to detonation and pre-ignition.
Please see the part number and for specifics. 0:1 comp K556M86AP images are generic stock photos.
Our Wiseco domestic auto and sport compact pistons are top of the line performance parts, built for demanding consumer that wants nothing but best. Valve pocket designs allow maximum flow around the valve, allowing use of oversized valves and high lift cams.
Piston crown shapes are designed to promote the maximum intake charge efficiency through a scavenging mixture cross flow during and exhaust valve overlap.
Purchase from map to receive aggressive pricing and retain your manufacturers warranty. Wiseco pistons for Nissan S13 s14 sr20de SR20DET 86mm bore 9. Made in the USA Wiseco domestic auto and sport compact pistons are forged machined in-house receive a full compliment of power enhancing features. Please see the for information regarding shipping costs and available methods.