ACL BMW S50B30 3.0L Inline 6 Engine Connecting Rod Bearing Set

<p><span>6B1515HX-STD</span></p><ul><li>High performance Trimetal engine bearings</li><li>Designed to withstand higher RPM conditions</li><li>High strength overlay plate with reduced thickness for improved fatigue properties</li></ul>Specifications for STD size only<br/><table><tr><td>Sizes</td><td>STD</td></tr><tr><td>Oil Clearance</td><td></td></tr><tr><td>Half Type</td><td>Identical halves</td></tr><tr><td>Material</td><td>F781</td></tr><tr><td>Min. Std Shaft Size</td><td>49,975 mm / 1.9675 in</td></tr><tr><td>Max. Std Shaft Size</td><td>49,991 mm / 1.9681 in</td></tr><tr><td>Min. Std Tunnel Size</td><td>53 mm / 2.0866 in</td></tr><tr><td>Max. Std Tunnel Size</td><td>53,015 mm / 2.0872 in</td></tr><tr><td>Max Wall at Crown</td><td>1,48 mm / 0.0583 in</td></tr><tr><td>Max Overall Length</td><td>18 mm / 0.7087 in</td></tr></table><ul><li><span>High strength overlay plate</span><span></span>with reduced thickness for improved fatigue properties</li><li><span>Hardened steel backs</span><span></span>on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.</li><li><span>Increased crush</span><span></span>for improved bearing retention</li><li><span>Elimination of flash plating</span><span></span>on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing.</li><li><span>Increased eccentricity</span><span></span>to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.</li><li><span>3/4 grooved Main Bearings</span><span></span>to optimize bearing load carrying surface area and oil flow to the conrod bearings.</li><li><span>Tight consistent wall tolerances</span><span></span>to help you maintain consistent clearances.</li><li><span>Enlarged ID chamfers</span><span></span>on bearing edges where required to accommodate large fillet radius on performance crankshafts.</li></ul><table><tr><th>Make</th><th>Engine</th><th>Description</th><th>Vehicles</th></tr><tr><td>BMW</td><td>S50B30</td><td>BMW S50B30 2990cc Inline6 DOHC 4v</td><td>BMW M3 E36</td></tr></table>