Manley H-Beam Connecting Rods (135mm) – Precision-crafted from 4340 forged steel

BMW S38B38 Applications:

What sets 5150 rod bearings apart from OEM options is their advanced thermal resistance

These rod bearings are an investment in reliability

high coolant temperatures can still bring your track day or canyon carve to a screeching halt

B46 Main Bearing Set, High-Performance 64185-8-V-52 Manley H-Beam Connecting Rods (135mm)Built specifically for the BMW B46 engine platform, 5150 AutoSport Calico Coated Main Bearings are engineered for demanding performance builds where reliability and strength are non negotiable. These bearings are coated by Calico 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