{"product_id":"brian-crower-crankshaft-nissan-ka24de-96mm-stroke-4340-billet","title":"Brian Crower Crankshaft - Nissan KA24DE 96mm Stroke 4340 Billet","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eBC5218\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cstrong\u003eBrian Crower 4340 Billet Crankshaft Nissan KA24DE 96mm Stroke\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eBrian Crower BC5218\u003c\/strong\u003e 4340 Billet Crankshaft is the best high-performance crankshaft upgrade for Nissan KA24DE owners building high-horsepower, high-RPM engines. CNC-machined from premium 4340 chromoly round bar steel, this fully counterweighted billet crank features a 96mm stroke for increased displacement and torque, large radius journals for superior strength under extreme loads, and nitriding for enhanced durability and longevity ideal for turbocharged, supercharged, or naturally aspirated race\/street KA24DE builds in 240SX, 180SX, Silvia, or custom projects demanding maximum reliability and power potential.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium 4340 Billet Chromoly:\u003c\/strong\u003e Forged from round bar steel strongest material available for high-horsepower applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e96mm Stroke:\u003c\/strong\u003e Increases displacement and torque over stock crank for more low-end grunt and overall power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Radius Journals:\u003c\/strong\u003e Adds strength and reduces stress concentrations at high RPM and boost levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitriding Treatment:\u003c\/strong\u003e Improves surface hardness, wear resistance, and fatigue life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% CNC Machined:\u003c\/strong\u003e State-of-the-art milling ensures precision, balance, and consistency to .02mm tolerance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Counterweighted:\u003c\/strong\u003e Reduces vibrations and improves engine smoothness at high RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrian Crower Quality:\u003c\/strong\u003e Race-proven engineering trusted in motorsport for maximum strength and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eBC5218\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke\u003c\/td\u003e\n\u003ctd\u003e96mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e4340 Chromoly Billet Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJournal Radius\u003c\/td\u003e\n\u003ctd\u003eLarge Radius (High-Strength)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eNitrided\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eNissan KA24DE Engines (S13\/S14 240SX, 180SX, Silvia, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eRequires Engine Disassembly \u0026amp; Professional Machine Work\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited (Brian Crower)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003eApprox. 40-50 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e96mm stroke billet crank increases displacement for more torque and power in KA24DE builds\u003c\/li\u003e\n\u003cli\u003eDesigned for high-horsepower turbo or naturally aspirated applications race-proven durability\u003c\/li\u003e\n\u003cli\u003eRequires professional engine build balance, clearance checks, and proper assembly essential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEstimated time: 20-40 hours (full engine build), advanced difficulty, professional machine shop required\u003c\/li\u003e\n\u003cli\u003eRequires crankshaft installation, bearing clearance checks, and full engine balancing\u003c\/li\u003e\n\u003cli\u003eProfessional build recommended verify rod\/piston compatibility and journal sizing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\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\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1998\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003e240SX \/ Silvia \/ 180SX\u003c\/td\u003e\n\u003ctd\u003eKA24DE Engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eKA24DE Powered Vehicles\u003c\/td\u003e\n\u003ctd\u003eCustom Builds \u0026amp; Swaps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Brian Crower 4340 Billet Crankshaft?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePremium 4340 chromoly billet with nitriding and large radius journals for extreme strength and RPM\u003c\/li\u003e\n\u003cli\u003e96mm stroke increases displacement and torque perfect for high-horsepower KA24DE turbo builds\u003c\/li\u003e\n\u003cli\u003eLimited warranty and USA-made quality trusted in motorsport for maximum reliability\u003c\/li\u003e\n\u003c\/ul\u003e\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 this crankshaft fit my S13 240SX KA24DE? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, Brian Crower BC5218 is designed for Nissan KA24DE engines (96mm stroke upgrade).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is machining required? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, requires proper journal sizing, balancing, and clearance checks during engine build.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What stroke is stock KA24DE? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Stock is 90mm BC5218 96mm increases displacement for more torque and power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Covered by Brian Crower limited warranty built for performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS\/FedEx Ground (Oversize)\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 Secure protective packaging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 40-50 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brian Crower","offers":[{"title":"Default Title","offer_id":44477237887055,"sku":"BRCBC5218","price":2614.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/brian-crower-bc5218-crankshaft.png?v=1771268083","url":"https:\/\/www.blackopsautoworks.com\/products\/brian-crower-crankshaft-nissan-ka24de-96mm-stroke-4340-billet","provider":"Black Ops Auto Works","version":"1.0","type":"link"}