fits model: B18a1, B18, Gs, Rs, Integra.

( Brand: Wiseco ), ( Manufacturer Part Number: K542M81AP ), ( Part Type: Piston )
The K542M81AP LS pistons are a high-quality upgrade for B18A1 Integras, as well as B18B and B18 engines. These pistons are specifically designed for applications with increased power and performance in mind, making them an excellent choice for modified or turbocharged engines.
The pistons are constructed from forged 2618-T6 aluminum alloy, a material known for its strength and durability. This ensures that the pistons can withstand the increased stresses and pressures that come with increased power output. The piston skirts are designed with a unique honing process to provide optimum ring seal, while the crown is optimized for proper combustion chamber clearance for maximum efficiency.
The K542M81AP pistons feature a 81mm bore size, which is compatible with the B18 series engines, and they are available in a 9.4:1 compression ratio, which is ideal for high compression applications. The pistons also feature Wiseco's GS (Gasolene Specified) coating, which is designed to resist detonation and provide excellent wear resistance, ensuring long engine life.
The piston rings included with the K542M81AP pistons are top quality, made from chrome molybdenum steel for maximum strength and durability. The rings are also engineered to provide an excellent seal, reducing oil consumption and preventing leakage.
Overall, the K542M81AP LS pistons are a high-quality upgrade for B18 series engines that are looking for increased power and performance. With their durable construction, optimized design, and top-quality piston rings, these pistons are a great choice for any high-performance application.
Pros of buying K542M81AP LS Pistons for B18A1 Integras:1. High-quality material: The pistons are made of forged 2618 alloy, which is known for its strength and durability.
2. Increased power: The 81mm bore size of these pistons can provide an increase in power and torque compared to stock pistons.
3. Wide compatibility: These pistons are compatible with various B18 engine types, including B18A, B18B, and B18B1.
4. Wiseco GS design: The pistons feature a Wiseco GS design, which is known for its efficient combustion and improved cylinder sealing.
Cons of buying K542M81AP LS Pistons for B18A1 Integras:1. Expensive: Compared to stock pistons, aftermarket pistons like these can be quite expensive.
2. Requires additional modifications: Installing these pistons may require additional modifications to the engine, such as upgraded rods, crankshaft, and head gaskets.
3. May require tuning: Installing these pistons may require tuning of the engine to ensure proper ignition timing and fuel mixture to avoid engine damage.
Conclusion:If you are looking to increase the power and performance of your B18 engine, K542M81AP LS Pistons may be a good option. However, it is important to note that they are not cheap and may require additional modifications and tuning to ensure proper operation. If you are unsure about installing these pistons, it may be a good idea to consult with a professional mechanic or engine builder.
Recommendation:If you are considering purchasing K542M81AP LS Pistons for your B18 engine, make sure to do your research and ensure that they are compatible with your specific engine type and build. It is also important to consider the additional modifications and tuning that may be required to ensure proper operation. If you are unsure, it may be a good idea to consult with a professional mechanic or engine builder to ensure that you are making the best decision for your car.
The end product is longer engine life and increased horsepower potential.
4/1 K542M81AP images are generic stock photos.
S pin diameter 21mm more fuel and air equals more horsepower. Purchase from map to receive aggressive pricing and retain your manufacturer's warranty.
Optimized skirt profiles minimize rock and provide long skirt life in striker applications. Please see the part number and for specifics.
4cc dish grams Wiseco pistons have proven themselves in a variety of motor sports applications from mild 150 horsepower street engines to horsepower race cars.
Piston domes are designed for optimal quench during the compression combustion cycle, resulting in resistance to detonation and pre ignition.
Piston crown shapes are designed to promote the maximum intake charge efficiency through a scavenging mixture cross flow during intake and exhaust valve overlap. Our Wiseco domestic auto and sport compact pistons are top of the line performance parts, built for the demanding consumer that wants nothing but the best.
Some of our sport compact pistons are even matched with high quality NPR steel nitrated rings with Napier 2nd rings. Made in the USA Wiseco domestic auto and sport compact pistons are forged and machined in house and receive a full compliment of power enhancing features.
Please see the for information regarding shipping costs and available shipping methods aura Integra ls, Gs, Rs B18a, B18A1, B18b, B18b1 engines part K542M81AP 81mm bore search by make model year or part number Wiseco pistons Integra Gs ls Rs B18a B18A1 B18b B18b1 B18 81mm 9.
Valve pocket designs allow maximum flow around the valve, allowing the use of oversized valves and high lift cams.