Chevy V8 Flywheel 31 lb. 153 Ext Balance 1pc RM

The Chevy V8 Flywheel 31 lb. 153 Ext Balance 1pc RM from Centerforce is engineered for serious engine builders and high-performance enthusiasts looking to optimize driveline efficiency and rotational mass control. This single-piece design is purpose-built for small-block and big-block Chevy V8 applications requiring external balancing, making it an essential upgrade for stroker builds, forced-induction platforms, and street/strip combinations.

Unlike heavier stock flywheels, this unit reduces parasitic drag on the crankshaft, allowing your engine to respond faster and accelerate more freely while maintaining the precise balance required for smooth idle and reliable operation. Centerforce flywheels are manufactured from premium ductile iron with precision-balanced construction to OEM specifications plus external balance counterweights. The 153-tooth ring gear ensures reliable starter engagement across a wide RPM range, while the single-piece construction eliminates potential separation issues common in multi-piece designs.

The external balance specification means this flywheel is pre-weighted to work harmoniously with your externally balanced crankshaft assembly—critical for engine longevity and preventing destructive vibration at sustained high RPM. The weight of 31 lbs represents an ideal balance between reducing rotational inertia for quicker throttle response and maintaining sufficient mass for smooth torque delivery and clutch engagement consistency.