CALLIES APEX CRANKSHAFT - 4.000" STROKE - GEN III/IV LS - WET SUMP - APO-31V-AS

Introducing the Apex Series Crankshaft – the ideal solution for those who require quality and durability without the premium price tag of our Magnum or Billet cranks. Crafted using the same high-quality forgings as our Magnum Series, the Apex Series offers exceptional performance and reliability. Each crankshaft is meticulously machined by the same trusted supplier as our Compstar components, ensuring precision and quality. To guarantee the highest standards, we perform finish sizing and a comprehensive inspection in-house. With the Apex Series, you gain access to a crankshaft with proven material strength, superior core or through hardness, and an enhanced nitriding process for increased durability.

Manufactured from the same high-quality forgings as the Magnum Series.
Precision machining by the same supplier as Compstar, ensuring unmatched quality.
In-house finish sizing and full inspection for ultimate reliability.
Known material strength with excellent core or through hardness.
Superior nitriding process for extended durability.
Capable of supporting up to 2500 hp, making it suitable for high-performance applications.
Whether you’re building a high-performance engine on a budget or simply prefer the exceptional value, the Apex Series Crankshaft delivers both quality and performance at an unbeatable price.