COMPSTAR CRANK BBC 4.750″ 2.750 MAINS, 2.200 PINS, 4340

Description

Enhance your engine’s reliability and power output with the Callies COMPSTAR crankshaft, designed specifically for big block Chevy (BBC) applications. Its 4.750-inch stroke provides the torque and responsiveness essential for high-performance builds, ensuring your engine delivers consistent, peak performance under demanding conditions.

The crankshaft’s 2.750-inch main journals and 2.200-inch pin journals are engineered to increase bearing surface area, reducing wear and extending engine life. These dimensions provide superior strength to handle elevated horsepower levels and aggressive driving without compromising durability.

Manufactured from forged 4340 chromoly steel, this crankshaft offers exceptional tensile strength and fatigue resistance. This material choice guarantees structural integrity even under sustained high RPM and heavy loading, translating into enhanced engine longevity and reliability.

With a substantial weight of 36.5 kg and dimensions of 95.3 cm length, 27.9 cm width, and 27.9 cm height, the COMPSTAR crankshaft maintains optimal mass distribution for smooth operation. This balance reduces vibration and stress on engine components, contributing to overall mechanical efficiency and quieter performance.

The COMPSTAR crankshaft’s precise manufacturing tolerances ensure compatibility with standard BBC engine blocks and components. Its design supports high-performance applications ranging from street machines to professional racing setups, providing versatility without sacrificing quality.

Investing in the Callies COMPSTAR crankshaft means equipping your engine with a component that withstands rigorous use while delivering the torque and smoothness essential for competitive performance. Its combination of dimensional strength, material quality, and precise engineering sets it apart as a foundational upgrade for serious engine builders.