Main Bearing Set MB 509HP

Main bearing failure is one of the most catastrophic engine failures you can experience—and it's entirely preventable with the right foundation. The MB 509HP Main Bearing Set delivers the precision tolerances and durable construction your small block Chevy needs to handle sustained high RPM loads without compromise. Whether you're building a race engine or refreshing a high-performance street machine, this kit ensures your crankshaft runs true and your bottom end stays bulletproof.

• Small Block Chevy compatible
• HP-rated specification
• Standard sizing
• Complete kit format
• Precision-engineered construction
• High load capacity
• OEM fitment standard
• MPN: MB 509HP