Speed-Pro Competition Series Main Bearings - 140M10

Upgrade your Chevrolet or GMC engine with the Sealed Power Main Bearing Set, designed for performance and longevity. Perfect for classic models from 1970 to 1980, this set of high-quality main bearings ensures your engine runs smoothly under demanding conditions.

• Performance-Driven Design: The tri-metal copper-lead alloy construction enhances durability and reduces wear, making it ideal for high-performance applications.
• Optimized Groove Style: Featuring a 3/4 groove design, these bearings provide improved oil flow and better lubrication to critical engine components.
• Precision Fit: With a crankshaft undersize of 0.010 inches, these bearings are engineered to maintain optimal clearances for efficient engine operation.
• Complete Set: Sold as a set, this Main Bearing Set includes everything needed for a comprehensive engine rebuild.
• Compatibility: Specifically designed for select Chevrolet and GMC models from 1970-1980, ensuring a perfect fit for your classic vehicle.

Trust the Sealed Power brand for reliable performance and quality in your engine rebuild.