{"product_id":"acl-conrod-rod-bearing-set-2003-2015-bmw-z4-6b1497h-25","title":"ACL Conrod Rod Bearing Set | 2003 - 2015 BMW Z4 (6B1497H-.25)","description":"\u003ch2 style=\"font-size:1.2rem;\"\u003eACL Conrod Rod Bearing Set | 2003 - 2015 BMW Z4 (6B1497H-.25)\u003c\/h2\u003e\u003cp\u003eThe ACL Bearings 6B1497H-.25 is a performance engine internal part for the 2003–2015 BMW Z4. Key specs: material: Tri-metal Hardened Steel Backs; size: STD, .025, .25, .50.\u003c\/p\u003e\u003ch2\u003eVehicle fitment\u003c\/h2\u003e\u003ch3\u003eManufacturer's vehicle list\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e2003–2015 BMW Z4\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eAs written in the product title\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003ctd\u003e2003 - 2015 BMW Z4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003ctd\u003e2003–2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eWhere the two differ, go by the manufacturer's list.\u003c\/p\u003e\u003cp\u003eEngine, trim, drivetrain and options can change which part fits, so \u003ca href=\"\/pages\/contact-us\"\u003econtact mobileiGo\u003c\/a\u003e with your VIN if you are unsure.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eACL Bearings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part number\u003c\/th\u003e\n\u003ctd\u003e6B1497H-.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eEngine Internals \u0026amp; Assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003ePerformance upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003eSTD, .025, .25, .50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eTri-metal Hardened Steel Backs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping weight\u003c\/th\u003e\n\u003ctd\u003e1.0 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eBefore you buy: engine internal part tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eForged pistons and rods handle more boost and rpm than cast parts but need correct clearances set by an experienced engine builder.\u003c\/li\u003e\n\u003cli\u003eCheck bore size, stroke and compression ratio against your build plan before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWill the ACL Bearings 6B1497H-.25 fit my BMW?\u003c\/h3\u003e\u003cp\u003eIt is listed for the 2003–2015 BMW Z4. Check your engine, trim and options against the fitment table above before ordering.\u003c\/p\u003e\u003ch3\u003eWhat is the part number?\u003c\/h3\u003e\u003cp\u003eThe manufacturer part number is 6B1497H-.25.\u003c\/p\u003e\u003ch3\u003eWhat bore size or oversize is this part for?\u003c\/h3\u003e\u003cp\u003eBore size, oversize and compression ratio are listed in the title and specifications when the maker provides them.\u003c\/p\u003e\u003ch3\u003eIs this part new?\u003c\/h3\u003e\u003cp\u003eYes. It is a new part sourced from an authorized distributor.\u003c\/p\u003e\u003ch2\u003eManufacturer description\u003c\/h2\u003e\u003cdiv class=\"tt-mfr\"\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch2\u003eConrod Rod Bearing Set by ACL\u003c\/h2\u003e\n\u003cp align=\"justify\"\u003eACL RACE Series performance engine bearings are recognized as a premier brand throughout the motorsports world. RACE Series rod and main bearings are standard components in RACE engines that have set records and won championships from Mexico to Bonneville - from sport compact drift racing to small block NASCAR, IHRA and NHRA competitions. The unique combination of design, metallurgy and engineering provides Race Series performance bearings with the endurance and capability to perform where others cannot. These exceptional bearings are available for a variety of American, Asian and European performance engines.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: STD, .025, .25, .50\u003c\/li\u003e\n\u003cli\u003eOil Clearance: Standard\u003c\/li\u003e\n\u003cli\u003eHalf Type: Identical Halves\u003c\/li\u003e\n\u003cli\u003eMaterial: Tri-metal Hardened Steel Backs\u003c\/li\u003e\n\u003cli\u003eMin Std Shaft Size: 1.7707in \/ 44.975 mm\u003c\/li\u003e\n\u003cli\u003eMax Std Shaft Size: 1.7713in \/ 44.991 mm\u003c\/li\u003e\n\u003cli\u003eMin Std Tunnel Size: 1.8898in \/ 48.000 mm\u003c\/li\u003e\n\u003cli\u003eMax Std Tunnel Size: 1.8904in \/ 48.016 mm\u003c\/li\u003e\n\u003cli\u003eMax Wall at Crown: 0.0588in \/ 1.493 mm\u003c\/li\u003e\n\u003cli\u003eMax Overall Length: 0.709in \/ 18.00 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh strength overlay plate with reduced thickness for improved fatigue properties\u003c\/li\u003e\n\u003cli\u003eHardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.\u003c\/li\u003e\n\u003cli\u003eIncreased crush for improved bearing retention\u003c\/li\u003e\n\u003cli\u003eElimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing.\u003c\/li\u003e\n\u003cli\u003eIncreased eccentricity to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.\u003c\/li\u003e\n\u003cli\u003e3\/4 grooved Main Bearings to optimize bearing load carrying surface area and oil flow to the conrod bearings.\u003c\/li\u003e\n\u003cli\u003eTight consistent wall tolerances to help you maintain consistent clearances.\u003c\/li\u003e\n\u003cli\u003eEnlarged ID chamfers on bearing edges where required to accommodate large fillet radius on performance crankshafts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2003 - 2015 BMW Z4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's In The Box?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 - Conrod Rod Bearing Set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturers Standard Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c!-- tt-ap-content v1 --\u003e","brand":"ACL Bearings","offers":[{"title":"Default Title","offer_id":67824383197503,"sku":"MAP ACL 6B1497H-.25","price":278.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1639\/5151\/files\/acl-bearings-acl-6b1497h-25-29342418763846.jpg?v=1792571323","url":"https:\/\/www.mobileigo.com\/products\/acl-conrod-rod-bearing-set-2003-2015-bmw-z4-6b1497h-25","provider":"mobileiGo.com","version":"1.0","type":"link"}