{"product_id":"acl-race-series-main-bearing-set-fits-holden-138-149-161-173-179-186-7m2384hx-std","title":"ACL Race Series Main Bearing Set Fits Holden 138\/149\/161\/173\/179\/186 7M2384HX-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.\u003cbr\u003e\u003cbr\u003eSPECIFICATIONS\u003cbr\u003e-High Strength Overlay Plate With Reduced Thickness for Improved Fatigue Properties\u003cbr\u003e-Hardened Steel Backs on All Rod Bearings to Improve Bearing Lining \u0026amp; Retention\u003cbr\u003e-Increased Crush for Improved Bearing Retention\u003cbr\u003e-Elimination of Flash Plating on Back of Bearings \u0026amp; Maximise Grip Between Bearings \u0026amp; Housing\u003cbr\u003e-Increased Eccentricity to Compensate for Bore Distortion at High RPM \u0026amp; Assist in Formation of Hydrodynamic Oil Films\u003cbr\u003e-3\/4 Grooved Main Bearings to Optimise Bearing Load Carrying Surface Area \u0026amp; Oil Flow to Conrod Bearings\u003cbr\u003e-Tight Consistent Wall Tolerances to Help Maintain Consistent Clearances\u003cbr\u003e-Enlarged ID Chamfers on Bearing Edges Where Required to Accomodate Large Fillet Radius on Performance Crankshafts\u003cbr\u003e-Half Type: Upper \u0026amp; Lower\u003cbr\u003e-Material: F780\u003cbr\u003e-Min. Std Shaft Size: 55,824 mm \/ 2.1978 in\u003cbr\u003e-Max Std Shaft Size: 55,849 mm \/ 2.1988 in\u003cbr\u003e-Min. Std Tunnel Size: 60,721 mm \/ 2.3906 in\u003cbr\u003e-Max Std Tunnel Size: 60, 747 mm \/ 0.0954 in\u003cbr\u003e-Max Wall at Crown: 2,41 mm \/ 0.0949 in\u003cbr\u003e-Max Overall Length: 20,49 mm \/ 0.8067 in (2384H), 25,63 mm \/ 1.0091 in (2385H(F))","brand":"NASON","offers":[{"title":"Default Title","offer_id":44842435149994,"sku":"P0287659","price":343.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/1179\/7162\/files\/A9277251_24c79de5-5eec-4220-a621-d87a2118ef9e.jpg?v=1755755400","url":"https:\/\/checkout.sparesboxtest.com\/products\/acl-race-series-main-bearing-set-fits-holden-138-149-161-173-179-186-7m2384hx-std","provider":"Sparesbox QA \u0026 Dev","version":"1.0","type":"link"}