Callies SAG113-CM Compstar Mid-Weight Small Block Chevy Forged Steel Crankshaft

The Callies SAG113-CM Compstar crankshaft is a mid-weight forged steel crankshaft designed for small block Chevy performance applications. This crankshaft is manufactured from 4340 forged steel for exceptional strength and durability, making it ideal for high-performance street engines and moderate racing applications.

Key Features:

• 4340 forged steel construction for superior strength-to-weight ratio
• Mid-weight design balances durability with reduced rotating mass
• Precision machined journals for proper oil clearances
• Nitrided surface treatment for increased wear resistance
• Heat treated for optimal material properties
• Compatible with small block Chevy engine platforms
• Straight shot oiling for improved lubrication
• Chamfered oil holes to reduce stress concentrations

Callies Compstar crankshafts represent an excellent value for engine builders seeking forged steel quality without the premium price of billet construction. The mid-weight design provides the strength needed for performance applications while reducing rotating mass compared to stock cast crankshafts. Each crankshaft is manufactured to strict tolerances and undergoes rigorous quality control testing to ensure reliability under demanding conditions.