Manley 91-10 Ford Mustang 4.6L Series Windsor Aluminum Main Bearing

Manley Main Bearings are engineered to provide reliable support and consistent oil control in high-performance engine applications. Manufactured from premium bearing materials and designed to maintain precise clearances, they deliver excellent load capacity, fatigue resistance, and durability under extreme conditions. Optimized for proper crankshaft support and oil film stability, Manley main bearings help reduce friction and ensure long-term performance in both street and race engines.

• Ideal for performance street, drag racing, circle track, marine, and endurance engine builds
• Manufactured from premium bearing materials for exceptional durability and wear resistance
• Designed to maintain a stable oil film under high-load and high-RPM conditions
• Backed by Manley Performance's reputation for quality and reliability