fits model: 454. make: Chevrolet.

( Brand: Manley Performance ), ( Manufacturer Part Number: 190400 ), ( Part Type: Crankshaft Block ), ( Fitment Type: Performance/custom )
The Manley 190400 Crankshaft is a high-performance component designed specifically for big block Chevrolet engines, with a focus on the 454 cubic inch configuration. This crankshaft is crafted from 4340 chromoly steel, a material known for its exceptional strength and durability. Its 4.625-inch stroke provides ample power and torque, making it an ideal choice for performance enthusiasts seeking to enhance the output of their engines.
The Manley 190400 Crankshaft features a polished surface, which not only adds to its aesthetic appeal but also reduces friction between the moving parts, thereby improving efficiency and reducing the potential for wear and tear. The crankshaft is also equipped with precision-machined main and rod journals, ensuring a snug fit with the engine components and minimizing the risk of crankshaft failure.
The Manley 190400 Crankshaft is designed with a counterweight balance system, which helps to reduce vibrations and improve engine smoothness. This is particularly beneficial during high-load situations, such as during acceleration or under heavy load. The crankshaft also includes a forged steel flywheel, which provides a solid and reliable power delivery to the transmission.
In summary, the Manley 190400 Crankshaft is a high-quality, high-performance component designed for big block Chevrolet engines. Its use of 4340 chromoly steel, precision machining, and balanced design make it a reliable and durable choice for performance enthusiasts seeking to maximize the output of their engines.
Pros of buying a Manley 190400 crankshaft for a 454 big block Chevrolet:1. High-quality material: Manley is known for using high-quality materials, such as forged 4340 steel, in their crankshafts. This ensures strength and durability, which are crucial for high-performance applications.
2. Precision machining: Manley crankshafts undergo precise machining processes to ensure they meet strict tolerances, which can contribute to better engine balance and performance.
3. Wide bearing journal sizes: The 4.625-inch bearing journal sizes of the Manley crankshaft can accommodate larger pistons and rods, allowing for increased stroke and displacement for more powerful engines.
4. Reputable manufacturer: Manley has a reputation in the performance aftermarket for creating reliable and high-performance parts, which can provide peace of mind for buyers.
Cons of buying a Manley 190400 crankshaft for a 454 big block Chevrolet:1. Higher cost: Compared to stock or low-performance crankshafts, Manley crankshafts are usually more expensive due to their high-quality materials and manufacturing processes.
2. Potential need for additional engine components: Upgrading the crankshaft might necessitate upgrading other engine components, such as pistons, rods, and camshaft, to ensure proper compatibility and engine balance.
3. Potential for increased noise: Like many high-performance parts, upgrading to a Manley crankshaft may result in increased engine noise due to the higher performance and revving capabilities.
Conclusion:The Manley 190400 crankshaft is a high-quality option for those looking to upgrade their 454 big block Chevrolet for improved performance. The benefits of this crankshaft, such as its high-quality materials, precision machining, and wider bearing journal sizes, can provide increased strength, durability, and performance. However, it is important to consider the potential drawbacks, such as higher cost and the potential need for additional engine upgrades, before making a decision.
Recommendation:If you are looking to significantly boost the performance of your 454 big block Chevrolet, the Manley 190400 crankshaft is a worthy consideration. However, it is essential to ensure that you have the necessary resources to complete the installation, including any additional engine upgrades that may be required. Additionally, it is recommended to consult with an experienced engine builder or performance shop to ensure proper compatibility and installation to avoid any potential issues.
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Combine these excellent crankshafts with Manley platinum series pistons, h-beam or i-beam turbo tiff connecting rods and either cleft ACLU race bearings.