Description
Product Overview
The Scat Crankshafts 3.400 inch stroke crankshaft is engineered for enthusiasts who demand strength and precision. Forged from high‑strength steel, the crankshaft provides exceptional rigidity while maintaining a smooth rotational balance. With a package weight of 46.7 pounds and dimensions of 25.2 x 8.7 x 9 inches, it fits the 9‑302‑3400‑5400‑2123 model series. The part number 9302340054002120 guarantees exact compatibility with a wide range of performance engines, delivering the power needed for both street and track use.
![[Product front view showing all components]](https://www.toddlerhaven.store/wp-content/uploads/2026/06/2bc600b7a48b4fc39a7d84a69c0df6dc.jpg)
Usage
Designed for high‑performance automotive applications, this crankshaft excels in racing, off‑road, and heavy‑duty daily driving scenarios. It is ideal for engine rebuilds, upgrades, and custom builds where increased stroke and durability are critical. Whether you are assembling a new powerplant or restoring a classic, the Scat crankshaft offers the reliability required for demanding environments.
Why Choose Us
Scat Crankshafts has a reputation for precision engineering and rigorous quality control. Each crankshaft undergoes heat treatment and meticulous inspection to meet exacting standards. Our commitment to durability means you receive a component that resists fatigue, reduces wear, and maintains performance over thousands of miles. Additionally, we provide comprehensive technical support and a warranty that underscores our confidence in the product.
Key Features
- High‑strength steel construction ensures long‑lasting durability under extreme loads.
- 3.400 inch stroke increases displacement for greater horsepower and torque.
- Precision‑balanced design reduces vibration for smoother engine operation.
- Exact fit for model 9302340054002120 eliminates costly modifications.
- Dedicated customer support and warranty provide peace of mind after purchase.
FAQ
What engines are compatible with this crankshaft?
The crankshaft is designed for engines that use the 9‑302‑3400‑5400‑2123 series specifications, commonly found in high‑performance V8 applications.
Is any additional machining required for installation?
No additional machining is needed if the engine block matches the listed dimensions and specifications. The crankshaft is ready to install as a direct replacement.
How does the 3.400 inch stroke affect engine performance?
Increasing the stroke raises the engine’s displacement, which typically results in higher torque and horsepower, especially in the low to mid‑range RPM band.
What warranty does Scat provide for this crankshaft?
Scat offers a limited warranty covering material defects and workmanship for a specified period, backed by technical support from our engineering team.
Can this crankshaft be used in street‑legal vehicles?
Yes, the crankshaft meets emissions and durability standards for street use, provided the overall engine build complies with local regulations.





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