{"product_id":"acl-bmw-n63-s63-v8-4395cc-standard-size-rod-bearing-set-extra-oil-clearance-8b1578hx-std","title":"ACL BMW N63\/S63 V8 4395cc Standard Size Rod Bearing Set w\/ .001in Extra Oil Clearance | 8B1578HX-STD","description":"\u003cp\u003eThis ACL Rod Bearing Set is machined to standard size with an extra .025mm (0.001in) of oil clearance, built for the BMW N63B44 4.4L (4395cc) twin-turbo V8 in performance applications needing more oil flow to the rod journals. It fits the BMW 550i, 550i GT, 650i, 750Li, M6, X5 xDrive50i, and X6 xDrive50i.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: Rod Bearing Set\u003c\/li\u003e\n\u003cli\u003eSize: Standard, w\/ .001in Extra Oil Clearance\u003c\/li\u003e\n\u003cli\u003eEngine Fitment: BMW N63B44 4.4L (4395cc) V8\u003c\/li\u003e\n\u003cli\u003eVehicle Platform: BMW 550i\/550i GT, 650i, 750Li, M6, X5 xDrive50i, X6 xDrive50i\u003c\/li\u003e\n\u003cli\u003ePart Number: 8B1578HX-STD\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat does the .001in extra oil clearance provide?\u003c\/h5\u003e\u003cp\u003eIt's an additional .025mm (0.001in) of clearance beyond a standard fit, increasing oil flow to the rod bearings for performance use.\u003c\/p\u003e\u003ch5\u003eWhat engine displacement is this rod bearing set for?\u003c\/h5\u003e\u003cp\u003eIt's built for the BMW N63B44 4.4L (4395cc) twin-turbo V8.\u003c\/p\u003e\u003ch5\u003eWhich BMW models use this rod bearing set?\u003c\/h5\u003e\u003cp\u003eIt fits the BMW 550i, 550i GT, 650i, 750Li, M6, X5 xDrive50i, and X6 xDrive50i.\u003c\/p\u003e\u003ch5\u003eDoes this fit a stock crankshaft?\u003c\/h5\u003e\u003cp\u003eYes, it's sized to standard, for an unmachined connecting rod journal, just with added oil clearance.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does the .001in extra oil clearance provide?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It's an additional .025mm (0.001in) of clearance beyond a standard fit, increasing oil flow to the rod bearings for performance use.\"}},{\"@type\":\"Question\",\"name\":\"What engine displacement is this rod bearing set for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It's built for the BMW N63B44 4.4L (4395cc) twin-turbo V8.\"}},{\"@type\":\"Question\",\"name\":\"Which BMW models use this rod bearing set?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It fits the BMW 550i, 550i GT, 650i, 750Li, M6, X5 xDrive50i, and X6 xDrive50i.\"}},{\"@type\":\"Question\",\"name\":\"Does this fit a stock crankshaft?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, it's sized to standard, for an unmachined connecting rod journal, just with added oil clearance.\"}}]}\u003c\/script\u003e","brand":"ACL","offers":[{"title":"Default Title","offer_id":42631473528880,"sku":"ACL8B1578HX-STD","price":392.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/40122eef7c72ad8aedbf813a6911e74f_c96c4307-6aa6-4f37-b8c7-b7033ea88682.png?v=1765198173","url":"https:\/\/berryperformancesales.com\/products\/acl-bmw-n63-s63-v8-4395cc-standard-size-rod-bearing-set-extra-oil-clearance-8b1578hx-std","provider":"Berry Performance Sales","version":"1.0","type":"link"}