{"product_id":"acl-race-series-tri-metal-conrod-bearing-set-fits-bmw-n54-n55-s55b30-inline-6-6b1584h-std","title":"ACL Race Series Tri-Metal Conrod Bearing Set Fits BMW N54\/N55\/S55B30 Inline 6 6B1584H-STD","description":"Located in Australia, ACL has been providing an extensive replacement product range to a global aftermarket for over 70 years. Their reputation for robust metallurgy, quality, precision, innovation \u0026amp;, of course, performance shows through their products.SPECIFICATIONS-High Strength Overlay Plate With Reduced Thickness for Improved Fatigue Properties-Hardened Steel Backs on All Rod Bearings to Improve Bearing Lining \u0026amp; Retention-Increased Crush for Improved Bearing Retention-Elimination of Flash Plating on Back of Bearings \u0026amp; Maximise Grip Between Bearings \u0026amp; Housing-Increased Eccentricity to Compensate for Bore Distortion at High RPM \u0026amp; Assist in Formation of Hydrodynamic Oil Films-3\/4 Grooved Main Bearings to Optimise Bearing Load Carrying Surface Area \u0026amp; Oil Flow to Conrod Bearings-Tight Consistent Wall Tolerances to Help Maintain Consistent Clearances-Enlarged ID Chamfers on Bearing Edges Where Required to Accomodate Large Fillet Radius on Performance Crankshafts-Half Type: Upper \u0026amp; Lower-Material: F781-Min. Std Shaft Size: 49,973 mm \/ 1.9674 in-Max Std Shaft Size: 49,993 mm \/ 1.9682 in-Min. Std Tunnel Size: 53,6 mm \/ 2.1102 in-Max Std Tunnel Size: 53,616 mm \/ 2.1109 in-Max Wall at Crown: 1,793 mm \/ 0.0706 in-Max Overall Length: 17,55 mm \/ 0.6909 in","brand":"ACL ENGINE PARTS","offers":[{"title":"Default Title","offer_id":44294430589187,"sku":"P5150266","price":202.46,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/aclracebearings_r5ezb9_48c72979-200a-4dc9-936d-6f716f78e109.jpg?v=1771995881","url":"https:\/\/checkout.sparesbox.com.au\/products\/acl-race-series-tri-metal-conrod-bearing-set-fits-bmw-n54-n55-s55b30-inline-6-6b1584h-std","provider":"Sparesbox","version":"1.0","type":"link"}