fits make: Pontiac.

( Brand: Scat ), ( Manufacturer Part Number: 4-400P-4250-6700-2200-3 ), ( Part Type: Crankshaft ), ( UPC: 846091047445 ), ( Engine Stroke: 4.250 )
The 4-400p-4250-6700-2200-3 scat forged 4340 crankshaft is a high-performance replacement part designed specifically for Pontiac 326-400 engines. This crankshaft is made from 4340 steel, a material known for its strength and durability, ensuring reliable performance under high-stress conditions.
The 4-400p-4250-6700-2200-3 scat forged crankshaft features a polished finish, which not only adds to its aesthetic appeal but also reduces friction between moving parts for smoother operation. It is a full-floating, forged crankshaft, which means it is designed to withstand the high torque and horsepower output of high-performance engines.
The crankshaft's design includes 4 main bearings, 2 rod bearings, and a counterweight, all of which are precision-machined to ensure a perfect fit. The main bearing journals are chamfered and micro-polished for a smooth, even mating surface with the engine block. The rod bearings are also precision-machined to provide proper clearances and minimize friction.
The 4-400p-4250-6700-2200-3 scat forged 4340 crankshaft is also designed with a 360-degree counterweight, which helps balance the rotating mass of the crankshaft to reduce vibration and improve engine performance.
In conclusion, the 4-400p-4250-6700-2200-3 scat forged 4340 crankshaft is a high-quality, high-performance replacement part that is ideal for Pontiac 326-400 engines. Its precision-machined components, polished finish, and full-floating design ensure reliable performance, reduced friction, and improved engine balance.
Pros of buying 4-400p-4250-6700-2200-3 Scat forged 4340 crankshafts for Pontiac 326-400:1. High-quality material: Scat forged crankshafts are made from 4340 chrome-moly steel, a material known for its strength and durability.
2. Customizable: These crankshafts can be customized to fit various stroke lengths and displacements, allowing for more power and performance.
3. Improved reliability: Forged crankshafts are stronger and more reliable than cast crankshafts, reducing the risk of engine failure.
4. Better balance: Scat forged crankshafts are balanced to minimize rotational vibrations, resulting in smoother engine operation.
Cons of buying 4-400p-4250-6700-2200-3 Scat forged 4340 crankshafts for Pontiac 326-400:1. Higher cost: Forged crankshafts are more expensive than cast crankshafts due to the additional manufacturing process.
2. Requires specialized tools: Installing a forged crankshaft may require specialized tools and knowledge, which could add to the overall cost and complexity of the project.
3. Potential for increased noise: Depending on the specific application and modifications, a forged crankshaft may produce more noise than a stock or cast crankshaft.
Recommendation:If you're looking to upgrade the performance of your Pontiac 326-400 engine, a 4-400p-4250-6700-2200-3 Scat forged 4340 crankshaft is a great option. The high-quality material, customizability, and improved reliability make it an excellent choice for power-hungry enthusiasts. However, be prepared for the higher cost and potential requirement for specialized tools, and be aware that it may produce more noise than a stock or cast crankshaft. Ultimately, the decision to purchase a Scat forged crankshaft should be based on your specific goals, budget, and technical capabilities.
Part type: crankshafts rear main seal: 2-piece engine stroke in. Rod length : 6. For use with 6.
7 rods only. 25 stroke engine.