fits model: Magnum. make: Chevy.

( Brand: Callies ), ( Manufacturer Part Number: APH-31T-XL ), ( Part Type: Crankshaft ), ( Item Weight: 38 Lb ), ( Performance Part: Yes )
The Callies APH-31T-XL 4340 forged Magnum XL crankshaft is a high-quality, performance-enhancing component designed specifically for Chevy LS 24x engines. This crankshaft is meticulously crafted using 4340 forged steel, a material known for its exceptional strength and durability.
The Magnum XL design features a 3.625-inch stroke, which provides a balanced and powerful combustion cycle. The forged construction process guarantees consistent wall thickness, ensuring optimal strength and rigidity throughout the crankshaft. This results in improved engine performance, longevity, and reliability.
The Callies APH-31T-XL is also equipped with a fully-polished, chamfered main journal surface, ensuring minimal friction between the crankshaft and the main bearing. This reduces wear and tear, allowing for smoother operation and improved engine efficiency.
Additionally, the crankshaft features a high-quality, fully-float, 5-bolt main cap design. This design allows for increased torsional rigidity, reducing the likelihood of crankshaft twist and providing better engine balance. The 5-bolt main cap design also provides a more secure connection to the block, further enhancing the crankshaft's overall strength and reliability.
In summary, the Callies APH-31T-XL 4340 forged Magnum XL crankshaft is a top-tier performance upgrade for Chevy LS 24x engines. Its forged construction, 3.625-inch stroke, fully-polished and chamfered main journal surface, and 5-bolt main cap design all contribute to improved engine performance, efficiency, and longevity.
Pros of buying a Callies APH-31T-XL 4340 forged magnum XL crankshaft for a Chevy LS 24x engine:1. Forged material: The crankshaft is made of 4340 forged steel, which is known for its strength and durability, making it ideal for high-performance applications.
2. Designed for LS engines: The Callies APH-31T-XL is specifically designed for LS engines, ensuring a precise fit and optimal performance.
3. Balanced and trued: The crankshaft is balanced and trued during manufacturing, reducing vibrations and ensuring smooth operation.
4. High-quality bearings: The crankshaft comes with high-quality bearings and seals, ensuring long-lasting performance.
Cons of buying a Callies APH-31T-XL 4340 forged magnum XL crankshaft for a Chevy LS 24x engine:1. Higher cost: Compared to standard OEM crankshafts, the Callies APH-31T-XL is more expensive, which may be a deterrent for some buyers.
2. Requires professional installation: Installing a high-performance crankshaft like the Callies APH-31T-XL requires specialized tools and expertise, which may add to the overall cost.
3. May not be necessary for all applications: If you are not planning on modifying your engine or pushing it to its limits, a standard OEM crankshaft may be sufficient for your needs.
Conclusion:The Callies APH-31T-XL 4340 forged magnum XL crankshaft is a high-quality, durable option for Chevy LS 24x engines that require increased performance. While it may be more expensive and require professional installation, its forged material and precision design make it a worthwhile investment for those who demand the best from their engine. If you are planning on modifying your engine or pushing it to its limits, the Callies APH-31T-XL is a recommended upgrade. However, if you are looking for a more cost-effective option or do not require the increased performance, a standard OEM crankshaft may be sufficient for your needs.
In great shape. Weighs 38lbs, 14lbs lighter than a standard forged crank. That's alto for rotational weight. Perfect for Quick, High RPM, Faster Spooling.
24x Rector. 2.559 Mains, 2.100 Rod. 3.625 Stroke. Callies Magnum XL LS Crankshaft.