MAIN BEARING

Upgrade your engine's performance with ACL Race Series Performance Engine Bearings, designed specifically for high-demand applications in Chevrolet and GMC vehicles from 1990 to 2000.

• Tri-metal construction: Crafted from a durable copper-lead alloy, these bearings ensure optimal strength and longevity, reducing wear and tear.
• Performance-focused design: The 1/2 groove style and upper groove location enhance oil flow, promoting efficient lubrication for peak engine performance.
• Perfect fit for stock applications: With a crankshaft undersize of 0.020 inches, these bearings offer a reliable fit for maintaining engine integrity.
• Sold as a set of 5: Conveniently packaged to provide everything you need for a complete main bearing replacement.
• Engineered for racing: Specifically formulated for performance use, these bearings are ideal for those pushing their vehicles to the limit.

These main bearings are essential for maintaining the performance of your engine, ensuring reliability even under extreme conditions.