Callies APH-31Q-CS GM LS-Series 4340 Forged Steel Crankshaft with 3.625 Inch Stroke

The Callies APH-31Q-CS crankshaft is designed for high-performance GM LS-Series engines, offering durability and precision for demanding applications. Crafted from forged 4340 steel, this crankshaft provides strength and reliability under high horsepower and torque conditions. Its 3.625-inch stroke enhances engine displacement and power output, making it suitable for racing, street performance, and custom builds. The internal balance design ensures smooth operation, reducing vibrations and engine wear. Equipped with a 58X reluctor, this crankshaft is compatible with modern LS engine management systems, facilitating precise ignition timing and fuel control. The one-piece seal design simplifies assembly and improves sealing performance, contributing to engine longevity. This crankshaft is engineered for professional engine builders and enthusiasts seeking premium quality components to optimize engine performance and durability.

Features:

• Material: Forged 4340 steel for strength and durability

• Stroke: 3.625 inches for increased displacement

• Internal Balance: Designed for smooth engine operation

• Reluctor: 58X reluctor for modern engine management compatibility

• Seal Type: One-piece seal for reliable sealing and ease of installation