Clevite MS-1590A-.75MM Engine Crankshaft Main Bearing Set 0.75mm Undersize

The Clevite MS-1590A-.75MM is a premium undersize crankshaft main bearing set engineered for demanding engine rebuilds requiring 0.75mm undersize bearings. This complete bearing set provides reliable protection for reground crankshafts, restoring proper clearances and ensuring long-term durability.

Advanced Bi-Metal Construction:

• 100% lead-free aluminum silicon alloy composition meets modern environmental standards
• Engineered with 60% more silicon content than competitive bearings for superior performance
• Enhanced silicon content improves journal surface conditioning and reduces break-in wear
• Exceptional seizure resistance protects against oil starvation and high-load conditions
• Superior wear resistance extends bearing life and maintains oil clearances

Application: Designed for engines requiring 0.75mm undersize main bearings, typically following crankshaft regrinding or when oversized journals are present. Clevite bearings continue the brand's decades-long tradition of OE-quality durability and dependability trusted by professional engine builders and automotive technicians.