Always consult the OEM service manual

This is an optional upgrade

and Crown Athlete V

If a leak is detected

where higher clamp loads are essential to prevent rod cap movement under stress

B48 Main Bearing Set Data Always consult the OEM servicePlease check engine fitment below! 5150 AutoSport Coated Main Bearings are engineered for demanding performance builds where reliability and strength are non negotiable. These bearings are coated with a proven dry film lubricant that reduces friction, enhances wear resistance, and offers superior performance under high stress. Whether you're running a high boost turbo setup, pushing the limits on track, or building a street car with big power goals,