{"product_id":"vtt-n55-s55-spline-lock-crank-hub-solution","title":"VTT N55\/S55 “Spline Lock” Crank Hub Solution","description":"\u003ch2\u003e\u003cstrong\u003eVTT “Spline Lock” Crank Hub System – N54 \/ N55 \/ S55\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eVTT is proud to offer the \u003cstrong\u003eonly complete crank hub solution\u003c\/strong\u003e for BMW N54, N55, and S55 engines that \u003cstrong\u003edoes not require drilling the crankshaft for pins\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eOur innovative hub features proprietary \u003cstrong\u003eSpline Lock Technology\u003c\/strong\u003e—a high-tolerance, precision-machined spline system that presses into the crank and \u003cstrong\u003epositively locks the hub in place\u003c\/strong\u003e, eliminating the need for traditional pinning or welding.\u003c\/p\u003e\n\u003cp\u003eAfter months of rigorous development and over 10 different prototype revisions, our final production version was put to the test. In our in-house trials, the hub outperformed expectations—\u003cstrong\u003ebreaking our testing rig before it ever slipped\u003c\/strong\u003e. Real-world validation has been conducted on the VTT N54 race car, which spins to \u003cstrong\u003e8,000 RPM\u003c\/strong\u003e and produces over \u003cstrong\u003e900 WHP\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey Benefits:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNo crank drilling required\u003c\/strong\u003e – stock-like installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimal labor\u003c\/strong\u003e – fully reversible with no permanent modification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTested to extreme conditions\u003c\/strong\u003e – race-proven at high RPM and power\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExclusively compatible with VTT’s Crank Bolt Capture (CBC)\u003c\/strong\u003e for maximum security\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e\n\u003cp\u003e⚠️ \u003cem\u003eSpline Lock hubs are recommended be used with the VTT Crank Bolt Capture system. They are not intended to run independently.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch3\u003eMaterial \u0026amp; Construction\u003c\/h3\u003e\n\u003cp\u003eEach VTT Spline Lock Crank Hub is \u003cstrong\u003eCNC-machined from 440C tool steel\u003c\/strong\u003e, heat-treated to a \u003cstrong\u003eRockwell hardness of HRC60\u003c\/strong\u003e, ensuring unmatched strength and durability under extreme conditions.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eAvailable Configurations:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHub Only\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHub + VTT Crank Bolt Capture\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHub + OEM Bolt, OEM Oil Pump Sprocket, OEM Oil Sprocket Retainer\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Kit\u003c\/strong\u003e: Hub + OEM Bolt, OEM Oil Pump Sprocket, OEM Oil Sprocket Retainer, + VTT Crank Bolt Capture\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation Requirements:\u003c\/h3\u003e\n\u003cp\u003eWe \u003cstrong\u003estrongly recommend\u003c\/strong\u003e this system be installed by a \u003cstrong\u003equalified technician or professional shop\u003c\/strong\u003e.\u003cbr\u003e\u003cstrong\u003eFactory timing tools are mandatory\u003c\/strong\u003e—improper installation can result in engine damage.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eImportant Notes \u0026amp; Disclaimer:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNo-slip guarantee\u003c\/strong\u003e is valid \u003cstrong\u003eonly when installed by a Certified VTT Install Center\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVTT is \u003cstrong\u003enot responsible\u003c\/strong\u003e for damage resulting from improper installation or misuse.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThis product is sold \u003cstrong\u003ewithout warranty\u003c\/strong\u003e and is intended for \u003cstrong\u003erace use only\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe included installation guide is to assist experienced professionals and \u003cstrong\u003ediffers from factory procedure\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVTT does not warranty OEM components included in the kit. However, we will assist in pursuing a replacement with BMW if needed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThe VTT CBC is designed to work with the factory crank bolt only\u003c\/strong\u003e and \u003cstrong\u003eis not compatible with aftermarket crank bolts\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eProtect your engine. Eliminate crank hub slip. Trust the proven solution—VTT Spline Lock.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Vargas Turbo Technologies","offers":[{"title":"Complete Package W\/O Crank Bolt Capture","offer_id":47878326845596,"sku":"VTT-CRANKHUB-1-N55-S55-3","price":889.99,"currency_code":"USD","in_stock":true},{"title":"Hub Only","offer_id":47878326878364,"sku":"VTT-CRANKHUB-1-N55-S55-1","price":819.99,"currency_code":"USD","in_stock":true},{"title":"Complete Package with Crank Bolt Capture","offer_id":47878326911132,"sku":"VTT-CRANKHUB-1-N55-S55-4","price":939.99,"currency_code":"USD","in_stock":true},{"title":"Hub Only with CBC","offer_id":47878326943900,"sku":"VTT-CRANKHUB-1-N55-S55-2","price":879.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/3206\/5436\/files\/1_d9177704-b662-4bd0-aa2b-479ab6ad398f.png?v=1791771902","url":"https:\/\/daroracing.com\/products\/vtt-n55-s55-spline-lock-crank-hub-solution","provider":"Daro Racing","version":"1.0","type":"link"}