ACL Bearings 5M909P-20 Duraglide Tri-Metal Main Bearing Set .020 Undersize Small Block Chevy

The ACL Bearings 5M909P-20 is a precision-engineered tri-metal main bearing set designed for Small Block Chevy engines with .020 inch undersize crankshaft journals. This Duraglide P-Series bearing set provides critical support for your crankshaft, preventing oscillations and wear that can damage internal engine components.

Key Features:

• Duraglide F780 tri-metal construction with copper-lead material for heavy-duty performance
• .020 inch (.020 mm) undersize for machined crankshafts
• Softer bearing metal protects crankshaft and engine block from excessive wear
• Designed to work with thin oil film for proper crankshaft float and reduced friction
• Manufactured to OEM tolerances by an approved supplier to major vehicle manufacturers
• Complete main bearing set for full engine rebuild

ACL Bearing Company produces one of the largest ranges of automotive engine bearings in the world, covering applications from small stationary engines to large diesel powerplants. Each bearing is manufactured using advanced production facilities to maintain the closest tolerances and ensure reliable performance in demanding applications.