Alternator Bracket SBC LWP

The March Performance Alternator Bracket SBC LWP is a precision-engineered mounting solution designed for small-block Chevy (SBC) engines running lightweight pulleys (LWP). This bracket serves as the critical link between your alternator and engine block, ensuring proper alignment and secure retention while accommodating the reduced diameter of aftermarket lightweight pulley systems. Whether you're building a high-revving street engine, competition platform, or restomod project, this bracket is essential for maintaining electrical system reliability without the parasitic drag of heavy OEM pulleys.

Manufactured by March Performance, a trusted name in performance engine accessories, this alternator bracket delivers the precision fit and durability expected in professional builds. The design accommodates the geometry shift created by lightweight pulleys, which have a smaller overall diameter than factory units—a critical consideration since standard brackets won't index properly with LWP systems. The compact footprint (7.45 x 0.95 x 10.45 inches) and minimal weight (1.6 lbs) ensure you're not adding unnecessary mass to your accessory drive while maintaining rigid support and load-bearing capacity.

Proper engineering here prevents alternator movement, belt misalignment, and premature wear on both the alternator bearings and serpentine belt system. This bracket is ideal for engine builders, performance enthusiasts, and mechanics upgrading SBC powerplants with lightweight pulley kits. With its reliable design, it enhances the performance and longevity of your engine's electrical system.