{"product_id":"acl-race-series-main-bearing-set-fits-chev-366-396-402-427-454-ci-5m829hx-std","title":"ACL Race Series Main Bearing Set Fits Chev 366\/396\/402\/427\/454 Ci 5M829HX-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: F780-Min. Std Shaft Size: 69,804 mm \/ 2.7482 in-Max Std Shaft Size: 69,83 mm \/ 2.7492 in-Min. Std Tunnel Size: 74,6 mm \/ 2.9370 in-Max Std Tunnel Size: 74,625 mm \/ 2.9380 in-Max Wall at Crown: 2,359 mm \/ 0.0929 in-Max Overall Length: 26,5 mm \/ 1.0433 in (7102H), 46 mm \/ 1.8110 in (7103H(F))","brand":"ACL ENGINE PARTS","offers":[{"title":"Default Title","offer_id":44294411583747,"sku":"P5150252","price":116.21,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/aclracebearings_r5ezb9_c1255720-c232-4001-8c65-a97bab28c505.jpg?v=1771995876","url":"https:\/\/checkout.sparesbox.com.au\/products\/acl-race-series-main-bearing-set-fits-chev-366-396-402-427-454-ci-5m829hx-std","provider":"Sparesbox","version":"1.0","type":"link"}