fits model: 400. make: Mopar.

( Brand: Keith Black ), ( Manufacturer Part Number: KB827 ), ( Part Type: Block Piston ), ( Bore Size: Oversized )
The KB827 400 Big Block Mopar Stroker Pistons, manufactured by Keith, are designed for performance-oriented enthusiasts seeking to enhance their Mopar engines. These pistons are engineered to accommodate a stroker kit, which increases the displacement of your engine, resulting in more power and torque.
The KB827 pistons are forged from high-quality 2618-T6 aluminum alloy, ensuring exceptional strength and durability. This material is chosen for its ability to withstand the extreme pressures and temperatures generated in high-performance applications. The forged construction also contributes to improved piston-ring seal, reducing the risk of combustion gas leakage.
Each piston features a unique, high-domed top shape, which increases the combustion chamber volume. This design allows for a more efficient combustion process, resulting in improved engine performance and efficiency. The piston skirts are optimized for a smooth slip fit within the cylinder bores, reducing friction and ensuring improved engine longevity.
The KB827 pistons are equipped with a 1.8mm pin offset, which provides better clearance for aftermarket components like camshafts and lifters. This offset also allows for a more favorable piston-to-valve relationship, contributing to improved engine breathing and power output.
The piston rings are made from high-tensile, chrome-molybdenum steel, ensuring excellent sealing performance even under high-temperature and high-pressure conditions. The rings are also treated with a proprietary nitriding process, which further enhances their durability and reduces the risk of ring-galling.
In conclusion, the KB827 400 Big Block Mopar Stroker Pistons are a high-quality performance upgrade for your Mopar engine. Their forged construction, high-domed top shape, and optimized piston skirts contribute to improved combustion efficiency and engine longevity. The 1.8mm pin offset and high-tensile rings ensure reliable sealing performance under high-performance conditions. If you're looking to boost the power and efficiency of your Mopar engine, these pistons are an excellent choice.
Pros of buying KB827 400 big block Mopar stroker pistons by Keith:1. High-quality materials: The pistons are made of forged aluminum, a strong and lightweight material that can withstand high temperatures and pressures.
2. Increased horsepower: These pistons are designed to increase the engine's horsepower, making your vehicle more powerful and faster.
3. Improved engine performance: The pistons can improve the engine's compression ratio, which can lead to better fuel efficiency and engine performance.
4. Compatibility: The pistons are designed to fit Mopar big block engines, making them a convenient and easy upgrade for many car owners.
Cons of buying KB827 400 big block Mopar stroker pistons by Keith:1. Cost: These pistons are more expensive than standard pistons, so they may not be affordable for all car owners.
2. Installation complexity: Installing the pistons may require specialized tools and knowledge, which can add to the overall cost of the upgrade.
3. Potential engine damage: If not installed correctly, the pistons can cause damage to the engine, which can be expensive to repair.
In conclusion, the KB827 400 big block Mopar stroker pistons by Keith are a high-quality upgrade that can increase horsepower and improve engine performance. However, they are more expensive and may require specialized tools and knowledge to install correctly. If you are confident in your ability to install the pistons correctly and are willing to pay the premium price, then this may be a worthwhile upgrade for your Mopar big block engine. If not, you may want to consider alternative upgrades that are less expensive and less complex.
For sale is a set of 8 forged icon kb pistons use in 400 big block Mopar. Cylinder bore size is 4. Making the 400 into a 505 cubic inch. I don't have piston rings for them.
Support rings are included. 990 wrist pin DOA. Compression is approx over bore.
150 stroke crank. They are to be used with a connecting rod an 4. 039 compressed head gasket an 78cc.