{"product_id":"audi-30t-overdrive-crank-pulley-179mm","title":"Vorsprung Autowerk TruDrive Audi 3.0T Crank Pulley Upgrade, 179mm, Audi Supercharged 3.0T V6","description":"\u003ch1\u003e\u003cstrong\u003eTruDrive Crank Pulley Upgrade, 179mm: Precision-Engineered Boost for the Audi 3.0T V6\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eThe important things:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"color: #2b00ff;\"\u003eWEIGHT\u003c\/span\u003e - Heavy pulleys rob power; go ahead and ask what your crank pulley weighs. Somewhere along the way, people forgot this (and companies made more money by not adding CNC time for weight reduction). Historically, lightweight pulleys have always been a sought-after upgrade.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"color: #2b00ff;\"\u003eSTRENGTH \u003c\/span\u003e- Stainless main hub for easy installation and no aluminum to compress (safer)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLightweight aluminum outer pulley\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eModular design so you can swap pulley sizes later without replacing the core\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e12.9 Grade Hardware Included with pre-applied blue Loctite \u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e stock-to-mild tunes and first-time overdrive upgrades — a noticeable low-end and mid-range boost bump while maximizing reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlso available in:\u003c\/strong\u003e \u003ca href=\"\/products\/audi-30t-overdrive-crank-pulley-187mm\"\u003e187mm\u003c\/a\u003e | \u003ca href=\"\/products\/audi-30t-overdrive-crank-pulley-193mm\"\u003e193mm\u003c\/a\u003e | \u003ca href=\"\/products\/audi-30t-overdrive-crank-pulley-207mm\"\u003e207mm\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eTruDrive Overdrive Pulley\u003c\/strong\u003e is engineered for Audi enthusiasts seeking reliable, repeatable gains from the 3.0T supercharged platform. This 179mm ring is designed to increase supercharger speed safely and efficiently, delivering the rapid boost response, mid-range surge, and top-end power that the 3.0 community has come to expect from high-quality overdrive crank pulleys. Look, we didn't reinvent the pulley; we evaluated existing designs and asked how we could make them better. We found areas to add strength, reduce weight, and add sizes that the community needed.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLightweight Exterior. Reinforced Core. Zero Compromise.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEvery TruDrive pulley features a \u003cstrong\u003eCNC-machined aluminum outer shell\u003c\/strong\u003e, strategically designed for \u003cstrong\u003emaximum weight reduction\u003c\/strong\u003e. By minimizing rotational mass, throttle response improves, and the supercharger spins up with less parasitic drag for sharper acceleration.\u003c\/p\u003e\n\u003cp\u003eInside, a \u003cstrong\u003eprecision-formed stainless steel inner hub\u003c\/strong\u003e provides uncompromising strength. This dual-material construction ensures \u003cstrong\u003elong-term structural integrity\u003c\/strong\u003e, eliminating concerns of cracking or hub separation that can occur with lightweight single-material designs. The stainless core anchors the pulley securely to the crank, providing \u003cstrong\u003eassured safety against breakage\u003c\/strong\u003e even under elevated boost levels.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePurpose-Built for the Audi B8.5 S4 3.0T\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDrawing from the proven performance traits of leading overdrive pulleys in the Audi community, the TruDrive Overdrive Pulley provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eIncreased blower speed\u003c\/strong\u003e for stronger boost delivery across the entire RPM range\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSignificant mid-range torque gains\u003c\/strong\u003e, improving real-world acceleration and roll-on performance\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCompatible with both single- and dual-pulley tuning\u003c\/strong\u003e, offering flexibility for staged upgrades\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eOEM-level fitment\u003c\/strong\u003e, maintaining proper belt alignment and accessory drive operation\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eInterchangeable outer pulley ring\u003c\/strong\u003e — upgrade to a different TruDrive size later without replacing the stainless core\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineered for Enthusiasts Who Demand More\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe B8.5 S4 responds exceptionally well to crank overdrive increases, delivering noticeable gains even on moderate tuning setups. The TruDrive pulley maximizes this potential by applying modern materials and manufacturing precision to a platform that rewards efficiency, reliability, and airflow.\u003c\/p\u003e\n\u003cp\u003eWhether you're chasing quicker spool, higher peak boost, or a stronger top-end charge, the \u003cstrong\u003eTruDrive Overdrive Pulley\u003c\/strong\u003e delivers performance you can feel without sacrificing safety or longevity.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eStainless steel inner core assembly\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e179mm outer pulley ring\u003c\/strong\u003e, fully interchangeable for easy ratio changes\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e12.9-grade high-strength mounting hardware (if you'd like to upgrade to 14.9 for a discount, email us)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue Loctite threadlocker\u003c\/strong\u003e for secure, vibration-resistant installation\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNo hype, excess weight, soft aluminum to explode, or ridiculous pulley textures that wear off and destroy your belts in areas where belts don't slip... just a product that makes sense.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e- Use the factory specifications to torque the hub to the engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e- For the pulley to hub:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003eUse blue Loctite\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003eFirst, tighten to 22 ft\/lbs in a star pattern to preload the bolt\u003c\/li\u003e\n\u003cli\u003eThen tighten to 44 ft\/lbs also in a star pattern, and torque twice.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vorsprung Autowerk","offers":[{"title":"179mm","offer_id":58396166816047,"sku":null,"price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5821\/3935\/files\/Gemini_Generated_Image_twfruytwfruytwfr.jpg?v=1787970109","url":"https:\/\/www.vorsprungautowerk.com\/products\/audi-30t-overdrive-crank-pulley-179mm","provider":"Vorsprung Autowerk","version":"1.0","type":"link"}