{"product_id":"supertech-bmw-b58-forged-4340-h-beam-c-c-length-148-3mm-connecting-rod-set-of-6","title":"Supertech BMW B58 Forged 4340 H-Beam C-C Length 148.3mm Connecting Rod - Set of 6","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e CR-MINB48-H148.3-6 \u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eSupertech BMW B58 2016-2024 Forged 4340 H-Beam C-C 148.3mm Connecting Rod Set of 6\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eSupertech forged H-Beam connecting rods upgrade BMW B58 3.0L turbo engines in models like 340i, M240i, 440i, X3 M40i, and Toyota GR Supra. These rods deliver strength for high-horsepower builds up to 1200HP while reducing reciprocating weight for faster engine response. Direct OEM replacement with precise fitment ensures reliable performance in street and track applications.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged 4340 Steel:\u003c\/strong\u003e Heat-treated aircraft-grade alloy resists fatigue and withstands extreme cylinder pressures in boosted setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eH-Beam Design:\u003c\/strong\u003e Optimized I-beam profile provides high strength-to-weight ratio for revs over 9000 RPM without flex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e148.3mm Center-to-Center Length:\u003c\/strong\u003e Matches stock B58 dimensions with BE bore 53mm, SE bore 23mm for drop-in piston compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eARP 2000 Series Bolts:\u003c\/strong\u003e 12 included bolts rated 220ksi tensile strength with rod bolt stretch gauge for secure fastening\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Construction:\u003c\/strong\u003e 592g per rod reduces mass by 10% over stock for quicker acceleration and less stress on bearings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSet of 6 rods with 12 ARP bolts and rod bolt stretch gauge included\u003c\/li\u003e\n\u003cli\u003eRifle-drilled oil passages improve lubrication to big ends under high G-forces\u003c\/li\u003e\n\u003cli\u003ePackaged in protective sleeves, total shipping weight 9 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eRequires full engine teardown, piston removal, and rod sizing with plastigage\u003c\/li\u003e\n\u003cli\u003eBalance rods with pistons and crank, use ARP Ultra-Torque lube on bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2021\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd\u003e340i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2023\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e2 Series\u003c\/td\u003e\n\u003ctd\u003eM240i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2021\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e4 Series\u003c\/td\u003e\n\u003ctd\u003e440i, M440i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2021\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e5 Series\u003c\/td\u003e\n\u003ctd\u003e540i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2024\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX3\u003c\/td\u003e\n\u003ctd\u003eM40i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2024\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4\u003c\/td\u003e\n\u003ctd\u003eM40i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019-2024\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eZ4\u003c\/td\u003e\n\u003ctd\u003eM40i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019-2024\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eGR Supra\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Supertech?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered in Italy for global racing teams in endurance and drag series\u003c\/li\u003e\n\u003cli\u003eCNC-machined in-house from certified 4340 billets for micron-level tolerances\u003c\/li\u003e\n\u003cli\u003eBacked by lifetime warranty on manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will these rods fit 2019+ Toyota GR Supra?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Yes, direct fit for A90 Supra 3.0L B58 engine with identical 148.3mm length and bore sizes\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What finish and material treatments are used?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Forged 4340 steel with shot-peening, nitride coating on big ends, and computer-balanced for zero defects\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and installation support?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime against breakage from defects, includes installation instructions and ARP torque specs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Foam-lined cardboard box, 14 x 9 x 5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 9 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":43981377241167,"sku":"SPTCR-MINB48-H148.3-6","price":1378.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/supertech-bmw-b58-forged-4340-h-beam-c-c-length-148_3mm-connecting-rod-set-of-6-supertech.png?v=1767812359","url":"https:\/\/www.blackopsautoworks.com\/products\/supertech-bmw-b58-forged-4340-h-beam-c-c-length-148-3mm-connecting-rod-set-of-6","provider":"Black Ops Auto Works","version":"1.0","type":"link"}