King Engine Bearings MB5881SI Main Bearing Set Ford Godzilla - 7.3L

The King Engine Bearings MB5881SI main bearing set is specifically engineered for the Ford Godzilla 7.3L engine, delivering reliable performance for OE replacement and aftermarket rebuilds. This complete main bearing set features King's advanced SI-Series bi-metal construction, designed to meet the demands of medium-load gasoline engines.

SI-Series Bi-Metal Technology:

• Aluminum alloy construction strengthened with 2.5-3% silicon for enhanced durability
• Lead-free design prioritizes environmental sustainability without compromising performance
• Improved crankshaft finish reduces microscopic ferrite peaks on nodular cast iron crankshafts
• Enhanced oil clearance reduces wear and extends engine life
• Minimizes operating noise, vibration, and excess oil flow

Application-Specific Design:

• Engineered specifically for Ford Godzilla 7.3L engines
• Ideal for medium-load applications and engines with factory crankshafts
• Superior fit and performance compared to generic bearing sets
• Excellent seizure and wear resistance

King Engine Bearings has specialized in precision engine bearings since 1960, and their TechLab continues to lead the industry in bearing science. The SI-Series represents King's commitment to providing high-quality, application-specific solutions for professional engine builders and enthusiasts alike.