Corvette Balancer

The Corvette Balancer from March Performance is a precision-engineered crank pulley hub adapter designed for GM LS-series engines, particularly those installed in Corvette platforms. This polished aluminum component solves a critical compatibility challenge: matching modern LS engine architecture to Corvette-specific accessory drive layouts. Whether you're building a restomod, upgrading an aging C5 or C6, or retrofitting an LS powerplant into a classic chassis, this balancer ensures proper crankshaft pulley fitment and belt alignment while maintaining the visual appeal expected in show-quality engine bays.

Constructed from lightweight aluminum and finished in a polished aesthetic, the Corvette Balancer (MPN 358) reduces rotating mass compared to cast-iron alternatives while delivering the durability required for high-rpm engine operation. The hub adapter's precise bore and indexing ensure concentricity with the crankshaft, critical for balancer function and longevity. Polished aluminum construction not only improves underhood appearance but also dissipates heat more effectively than painted finishes, a practical benefit during sustained driving. At 3.85 lbs, this component integrates seamlessly into LS engine packages without contributing unnecessary weight to the rotating assembly.

Mechanics and enthusiasts converting LS engines into Corvette platforms—or those installing Corvette components on LS-powered vehicles—rely on the Corvette Balancer to eliminate fitment guesswork and accessory drive complications. Installation requires removal of the harmonic balancer and crankshaft bolt, making it a straightforward addition during engine assembly or teardown. The compact dimensions (6.4 x 5.1 x 6.5 inches) ensure clear engine bay packaging and compatibility with standard hood clearances. This adapter is essential for builds prioritizing both mechanical precision and authentic Corvette aesthetics.