fits year: 1957.

( Brand: Chrylser ), ( Manufacturer Part Number: 140942 ), ( Part Type: Crankshaft )
The 140942 1957 Chrysler 301 Polyhead Reground Crankshaft is a high-quality replacement part designed specifically for the 1957 Chrysler 301. This crankshaft is a key component of the engine, responsible for transferring power from the pistons to the connecting rods and ultimately to the transmission.
This crankshaft is a polyhead design, which means it has a divided crankcase, allowing for increased oil capacity and improved cooling. It has been reground to ensure a smooth and precise fit, ensuring optimal engine performance. The reground process involves removing any imperfections or wear from the crankshaft journal surfaces, which can improve engine longevity and reduce the risk of future failures.
The crankshaft features a 3.75-inch stroke, which is the distance the piston travels from the top of its compression stroke to the bottom of its power stroke. This stroke length is typical for the 1957 Chrysler 301 and is designed to provide the engine with the proper balance of power and fuel efficiency.
The crankshaft is made of high-strength steel, which is known for its durability and resistance to wear. It is also heat-treated to ensure maximum strength and hardness, ensuring that it can handle the high temperatures and pressures generated by the engine.
This crankshaft is a direct replacement for the original equipment crankshaft, and it is designed to fit perfectly in your 1957 Chrysler 301. It includes all necessary hardware, including bolts and bearings, to ensure a quick and easy installation.
In summary, the 140942 1957 Chrysler 301 Polyhead Reground Crankshaft is a high-quality replacement part that is designed to provide your engine with the power and reliability it needs to run at its best. With its reground journal surfaces, polyhead design, and high-strength steel construction, this crankshaft is a smart investment for any 1957 Chrysler 301 owner.
Pros of buying a 1957 Chrysler 301 polyhead reground crankshaft (140942):1. Reliability: A reground crankshaft means that any damage or wear has been removed, which can increase the lifespan of the engine.
2. Availability: This specific crankshaft (140942) is a polyhead type, which is a common type for Chrysler engines of that era. This means it's likely to be readily available from various sources.
3. Potential cost savings: If you're rebuilding the engine yourself, a reground crankshaft can save you the cost of purchasing a new one.
Cons of buying a 140942 1957 Chrysler 301 polyhead reground crankshaft:1. Quality of the regrounding: It's crucial to ensure that the crankshaft was reground by a reputable shop or professional. Poorly reground crankshafts can lead to engine failure.
2. Fit and compatibility: Make sure the crankshaft is a perfect fit for your engine and has all necessary bearings and seals.
3. Age and wear: Despite being reground, the crankshaft is still an old part and may have other wear and tear issues.
Conclusion:While purchasing a reground crankshaft can save you money and potentially increase your engine's lifespan, it's essential to be cautious. Do thorough research on the seller and the crankshaft's history before making a purchase. Consider obtaining a detailed inspection and/or have a mechanic evaluate the crankshaft to ensure it's in good condition.
Recommendation:If you decide to proceed with the purchase, make sure to obtain a warranty or guarantee from the seller. Additionally, consider inspecting the crankshaft yourself or hiring a professional to do so, to ensure it meets the required specifications and is in good condition.
Might consider shipping but I don't know the costs Chrysler 301 poly head reground crankshaft. Appears to be very usable without any rust or pitting. Was reground in the early 70's.
Rods and mains comes with both main rod bearings.