{"product_id":"acl-race-series-conrod-bearing-set-fits-bmw-m40-m42-m43-4b1490h-std","title":"ACL Race Series Conrod Bearing Set Fits Bmw M40 M42 M43 4B1490H-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: Identical Halves-Material: F781-Min. Std Shaft Size: 44,975 mm \/ 1.7707 in-Max Std Shaft Size: 44,991 mm \/ 1.7713 in-Min. Std Tunnel Size: 48 mm \/ 1.8898 in-Max Std Tunnel Size: 48,016 mm \/ 1.8904 in-Max Wall at Crown: 1,49 mm \/ 0.0587 in-Max Overall Length: 18 mm \/ 0.7087 in","brand":"ACL ENGINE PARTS","offers":[{"title":"Default Title","offer_id":44294431506691,"sku":"P5149688","price":71.21,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/aclracebearings_r5ezb9_87de1e20-0d22-4539-8504-bfb143ab95db.jpg?v=1771995842","url":"https:\/\/checkout.sparesbox.com.au\/products\/acl-race-series-conrod-bearing-set-fits-bmw-m40-m42-m43-4b1490h-std","provider":"Sparesbox","version":"1.0","type":"link"}