fits model: K1, Turbo. make: Nissan.

( Brand: Wiseco ), ( Manufacturer Part Number: K655M89 ), ( Part Type: Crank )
The K655M89 Wiseco Piston is a high-performance upgrade for your Nissan SR20 engine, specifically designed for turbo applications with a 17cc displacement and a 92mm bore. This piston is manufactured by Wiseco, a renowned name in the performance aftermarket industry, known for its commitment to quality and innovation.
The K655M89 piston is made from forged 2618-T6 aluminum alloy, ensuring durability and strength under high-stress conditions. It features a unique piston crown design that promotes efficient combustion, resulting in improved power output and throttle response. The piston also has a 1.0mm top ring land clearance, which is ideal for racing applications and allows for the use of high-performance ring sets.
The piston skirt is designed with a unique shape to reduce friction with the cylinder wall, reducing wear and improving engine efficiency. The piston also includes a chamfered pin boss, which makes it easier to install and remove the connecting rod, and a wrist pin groove that is designed to minimize wrist pin float for improved engine stability.
The K655M89 Wiseco piston is designed to work with a compression ratio of 9.0:1, making it an excellent choice for high-boost turbo applications. It is also designed to work with a 92mm bore and a stroke length of 86.5mm.
In summary, the K655M89 Wiseco Piston is a high-quality, high-performance upgrade for your Nissan SR20 engine. Its forged aluminum alloy construction, unique piston crown design, and chamfered pin boss make it a durable and efficient choice for high-stress applications. Its 1.0mm top ring land clearance and 9.0:1 compression ratio make it an excellent choice for turbo applications with a 17cc displacement and a 92mm bore.
Pros of buying a K655M89 Wiseco Nissan SR20 turbo 1.7L crankshaft:1. High-quality material: The crankshaft is manufactured using forged 4340 steel, a material known for its strength and durability.
2. Increased horsepower: Wiseco's design and manufacturing process allow for an increase in horsepower, providing more power and performance for your engine.
3. Improved reliability: The forged construction of the crankshaft reduces the risk of failure due to fatigue or wear, improving the overall reliability of your engine.
4. Wide compatibility: The K655M89 crankshaft is compatible with a wide range of SR20 engines, making it a versatile option for many vehicle types.
Cons of buying a K655M89 Wiseco Nissan SR20 turbo 1.7L crankshaft:1. Cost: The K655M89 crankshaft is a premium product, and its cost may be prohibitive for some people.
2. Requires professional installation: Installing a crankshaft is a complex task that requires specialized tools and knowledge. It's important to have it installed by a professional to ensure proper alignment and fit.
3. Potential for engine damage: If not installed correctly, the crankshaft can cause damage to other engine components, such as the connecting rods or pistons.
Conclusion:The K655M89 Wiseco Nissan SR20 turbo 1.7L crankshaft is a high-quality, reliable, and powerful option for SR20 engines. Its forged construction and design allow for increased horsepower and improved reliability, making it a great choice for anyone looking to upgrade their engine. However, its cost and the requirement for professional installation are important considerations. If you can afford the cost and have access to a qualified mechanic, the K655M89 crankshaft is a worthwhile investment for improving the performance of your SR20 engine.
Recommendation:If you're looking to upgrade your SR20 engine and have the means to do so, the K655M89 Wiseco Nissan SR20 turbo 1.7L crankshaft is a great option. Its high-quality construction and design will provide you with increased horsepower and improved reliability, making it a worthwhile investment. However, it's important to ensure that the installation is done by a qualified mechanic to avoid any potential damage to other engine components.