ALT. BRACKET

The ALT. BRACKET from March Performance is a precision-engineered alternator mounting solution designed for small block Chevy engines running GM 10SI alternators. This passenger-side, high-mount bracket is purpose-built for engine builders and hot rod enthusiasts who need reliable alternator positioning in tight engine bays. The alternator bracket addresses a critical challenge in custom engine installations: achieving proper belt tension and clearance while maintaining a clean, compact layout.

Constructed from aluminum and finished with clear powder coat for durability and corrosion resistance, this bracket features a specialized water pump mount design that integrates seamlessly with long-style water pump configurations. The aluminum construction keeps weight minimal—just 1.65 lbs—without compromising structural integrity, making it ideal for performance builds where every pound matters. The high-mount design improves clearance in the engine bay and allows for optimized serpentine belt routing, reducing friction and improving overall efficiency.

This bracket is essential for anyone performing a small block Chevy engine swap, rebuild, or modernization with 10SI alternator compatibility. Installation is straightforward for experienced engine builders, and the water pump integration eliminates the need for separate mounting hardware. Whether you're building a classic car restomod, a street rod, or a high-performance engine platform, the March Performance alternator bracket ensures proper alternator clearance and secure mounting for years of reliable operation.