fits model: B20, B16, B18c.

( Brand: Wiseco ), ( Manufacturer Part Number: K545M85 ), ( Part Type: Piston Block Head ), ( Fitment Type: Performance/custom )
The B20-VTEC Wiseco Pistons are a high-performance upgrade for B20, B20B, B16, B16A, and B18C engines, including GSR heads. These pistons are designed to fit an 85mm bore, making them an excellent choice for engine builds seeking increased power and reliability.
Crafted from forged 2618-T6 aluminum alloy, these pistons offer superior strength and durability, ensuring they can withstand the rigors of high-performance driving. The piston skirts are fully honed, guaranteeing a perfect fit in the cylinder bore, minimizing friction and heat generation.
The Wiseco pistons feature a unique, optimized crown design, which reduces weight and increases combustion efficiency. This results in improved engine performance, with a potential increase in horsepower and torque. The piston crowns are also equipped with a 2.0mm dish for better ring seal and increased compression ratio.
The piston rings are made from high-quality chrome molybdenum steel, providing excellent sealing capabilities and ensuring optimal compression and reduced oil consumption. The piston rings are also nitrided for added durability and resistance to wear and tear.
The B20-VTEC Wiseco Pistons come with a special coating, known as Wiseco's DiamondLite coating, which is applied to the piston's top ring lands and oil control grooves. This coating reduces friction between the piston and the cylinder wall, resulting in reduced wear and improved engine efficiency.
The Wiseco B20-VTEC pistons are a premium upgrade for high-performance Honda engines, offering unmatched strength, durability, and performance. These pistons are an excellent choice for drivers seeking to extract the maximum potential from their engines, whether for street or track applications.
Pros of buying B20-VTEC Wiseco pistons for B20, B20B, B16, B16A, B18C, and GSR heads with 85mm bore and K545M85 connecting rods:1. High-quality material: Wiseco pistons are known for their durability and strength, thanks to their high-quality materials like forged aluminum and top-grade rings.
2. Improved performance: The pistons are designed to increase engine power, torque, and efficiency due to their optimized shape and design.
3. Compatibility: These pistons are compatible with various Honda engine types, making them a versatile choice for Honda enthusiasts.
4. Enhanced reliability: The pistons are designed to reduce engine knock, pre-detonation, and other issues that can lead to engine failure.
Cons of buying B20-VTEC Wiseco pistons for B20, B20B, B16, B16A, B18C, and GSR heads with 85mm bore and K545M85 connecting rods:1. Higher cost: Compared to OEM pistons, Wiseco's high-performance pistons are typically more expensive.
2. Requires specific knowledge: Installing these high-performance pistons may require specialized knowledge and tools, which may be a disadvantage for beginners.
3. Potential engine damage: If not installed correctly, the pistons may cause engine damage, such as piston slap or engine knock.
Conclusion:B20-VTEC Wiseco pistons offer numerous benefits, including increased engine performance, high-quality materials, and improved reliability. However, their higher cost and potential complexity in installation can be a disadvantage for some users. If you have the necessary expertise, the benefits of upgrading to Wiseco pistons may outweigh the costs, providing improved engine performance and reliability.
Recommendation:If you are considering upgrading your engine with Wiseco pistons, it is highly recommended to consult a professional mechanic or engine builder to ensure a proper installation. This will minimize the risk of engine damage and ensure the best possible performance results. Additionally, make sure to purchase the correct piston kit for your specific engine type and configuration to avoid compatibility issues.
Optimized skirt profiles minimize rock and provide long life in striker applications.
Valve pocket designs allow maximum flow around the valve, allowing use of oversized valves and high lift cams. 4:1 images are generic stock photos.
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. More fuel and air equals horsepower.
These are complete sets, and come with a full set of pistons, rings, pins locks for the specific application. Purchase from map to receive aggressive pricing and retain your manufacturers warranty. Piston domes are designed for optimal quench during the compression combustion cycle, resulting in resistance to detonation and pre-ignition.
Wiseco pistons B20 vtec B20b block w B16 B16a B18C gsr head 85mm 8.
7:1 compression gsr head image is a stock photo. Please see the part number and for specifics. Made in the USA Wiseco domestic auto and sport compact pistons are forged machined in-house receive a full compliment of power enhancing features.
Our Wiseco domestic auto and sport compact pistons are top of the line performance parts, built for demanding consumer that wants nothing but best.
The end product is longer engine life and increased horsepower potential.
Please see the for information regarding shipping costs and available methods.