fits model: Ls7, Ls1, 250.

( Brand: Callies ), ( Manufacturer Part Number: APP-317-CS ), ( Part Type: Crankshaft ), ( Country Of Manufacture: United States )
This 4.250-inch journals crankshaft is a high-quality component designed specifically for 2.559-inch connecting rods and 2.1-liter LS7 engines. Manufactured by Compstar, this crankshaft features a robust construction that ensures durability and reliability under heavy engine loads.
The crankshaft boasts a unique app-317-cs design, which is known for its strength and rigidity. The main journals are x24 LS1-style, ensuring a perfect fit with LS1 engines and providing excellent bearing support. This crankshaft is also compatible with Callies connecting rods, making it an ideal choice for upgrades or performance enhancements.
What sets this crankshaft apart is its precision manufacturing process. Each journal is carefully machined to ensure perfect alignment and minimized runout, which translates to improved engine balance and reduced vibrations. The crankshaft's surface is also subjected to a rigorous nitriding process, which increases its hardness and resistance to wear, ensuring long-term performance and durability.
In summary, this 4.250-inch journals crankshaft from Compstar is a robust, reliable, and high-performance component that is perfect for 2.1-liter LS7 engines. Its compatibility with LS1 connecting rods and its precision manufacturing process make it an excellent choice for those seeking improved engine balance, reduced vibrations, and increased wear resistance.
Pros of buying a 4.250 journals crankshaft 2.559 Compstar 2.1 LS7 app-317-cs mains x24 LS1 callies:1. High-quality materials: The crankshaft and mains are made of high-strength materials, which can withstand high engine loads and temperatures.
2. Durability: The callies are made of high-quality steel, which can help prevent crankshaft failure and ensure long-term durability.
3. Increased horsepower: The Compstar 2.1 LS7 app-317-cs mains and callies can help increase the horsepower of your engine by improving combustion and reducing friction.
4. Customization: The customizable mains and callies allow you to tailor the performance of your engine to your specific needs and preferences.
Cons of buying a 4.250 journals crankshaft 2.559 Compstar 2.1 LS7 app-317-cs mains x24 LS1 callies:1. High cost: The cost of the crankshaft, mains, and callies can be quite high, especially compared to stock parts.
2. Complex installation: The installation of the crankshaft, mains, and callies can be complex and may require specialized tools and expertise.
3. Potential for engine damage: If not installed correctly, the crankshaft, mains, and callies can cause engine damage or failure.
4. Limited availability: Due to their specialized nature, the crankshaft, mains, and callies may not be widely available, which can make sourcing them difficult.
Conclusion:The 4.250 journals crankshaft 2.559 Compstar 2.1 LS7 app-317-cs mains x24 LS1 callies can provide significant benefits in terms of durability, horsepower, and customization. However, they come at a high cost and require specialized installation, which can be a potential risk if not done correctly. If you are willing to invest the time and money, and have the necessary expertise, then these parts can be a great upgrade for your engine. However, if you are not confident in your abilities or have limited resources, it may be worth considering other options that offer similar performance improvements at a lower cost and complexity.
If you are looking for more power out of your current set up or want to build an engine from the ground up look no further. Machined with large journal radii, gun drilled mains, and fully lightened rod journals, the compstar lax crankshaft is truly built for performance. 250 stroke, 2.
1 rod journals 2.
X24 rector wheel.
Inch journal diameters are available.
For tall deck block engine builds, strokes up to 4. Shipping quote is for 48 main states only. 1 rod journals, 2.
Are not damaged, previously installed, or used.
If you are local, please come visit our showroom and see what one of the largest engine suppliers in the nation has to offer. 250 inch can be specified to create large, reliable CID.
Compstar lax crankshafts are counter weighted for enhanced bearing load distribution, which allows these shafts to withstand both high boost and high rpm applications. 559 mains, x24 rector.
Ups will not deliver to PO.
Callies compstar crankshafts gen iii iv LS1 LS7 4.
Shipping details most orders ship the same day.
To accommodate your engine control system, compstar lax shafts can be specified with either late ls2 LS7 58 tooth or the early LS1 ls6 twin timing wheels. This crankshafts specs.
Compstar lax cranks are sold rough balanced to 1750 grams, or finish balanced to your bob weight. Have original manufacturer information enclosed.