{"product_id":"jackal-motorsports-187mm-3-0t-crank-pulley-upgrade","title":"Jackal Motorsports 187mm Audi 3.0T Lower Pulley Upgrade | S4 S5 SQ5 A6 A7 Q7 Supercharged","description":"\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eThe Jackal Motorsports 187mm Lower Pulley is designed to push the Audi 3.0T supercharged platform beyond its factory limits by increasing supercharger speed and overall boost.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eBy stepping up from the stock crank pulley to a \u003cb\u003e187mm overdrive setup\u003c\/b\u003e, you increase airflow, torque, and power across the entire RPM range — making this one of the most effective upgrades for EA837 and CREC-equipped vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eWhile most pulleys focus only on size, this one was built to address one of the biggest limitations in higher boost setups: \u003cb\u003ebelt slip\u003c\/b\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003cstrong\u003eWhy Upgrade Your Lower Pulley?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eThe factory pulley is not only failure prone, but it limits how fast the supercharger can spin. Increasing the diameter allows the blower to operate at a higher speed, resulting in:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eIncreased boost pressure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eStronger midrange torque\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eImproved top-end power\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eMore responsive acceleration\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eThis is the foundation of a proper \u003cb\u003edual pulley setup\u003c\/b\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003cstrong\u003eWhat Makes The Jackal Pulley Different?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003cb\u003eEtched Belt Surface (Reduced Slip, More Boost)\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eOne of the biggest issues with pulley upgrades is belt slip.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eLess grip = less boost.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eThis pulley features a \u003cb\u003eprecision-etched belt surface\u003c\/b\u003e designed to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eIncrease belt traction under load\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eReduce slip at high RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eDeliver more consistent boost levels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eImprove repeatability between pulls\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eThis results in more predictable and consistent performance compared to conventional pulley designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003cb\u003ePrecision Offset Install Design (Easy Installation)\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eThis isn’t just a larger pulley — it’s engineered for correct alignment and repeatable installs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eClearly marked \"\u003cb\u003e187mm\" offset engraving on the front\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eRear alignment indexing for proper orientation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eIncluded \u003cb\u003ealignment stud\u003c\/b\u003e for easier installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eDesigned to maintain proper belt tracking\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eLarger front opening for clear easy bolt installation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003cb\u003eUpgraded Hardware Included\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eEverything needed for a secure install is included:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eHigh-strength \u003cb\u003eGrade 12 hardware\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003cb\u003eBlue Loctite\u003c\/b\u003e for proper torque retention\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eAlignment stud for offset positioning\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003cb\u003ePerformance Benefits\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eIncreased supercharger speed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eHigher and more consistent boost\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eImproved throttle response\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eStronger acceleration throughout the powerband\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eReduced belt slip compared to conventional pulleys\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003cb\u003eFitment\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eCompatible with Audi 3.0T Supercharged platforms:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eB8 \/ B8.5 S4 \u0026amp; S5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eC6 \/ C7 \/ C7.5 A6 \u0026amp; A7\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eQ5 \/ SQ5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eQ7 (4M \/ 4L)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eAll EA837 and CREC variants\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003cb\u003eNotes\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eFor best performance, pair with \u003cb\u003eJackal Motorsports ECU and TCU tuning\u003c\/b\u003e designed for upgraded pulley ratios.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Jackal Motorsports","offers":[{"title":"Yes","offer_id":55034773930275,"sku":null,"price":378.99,"currency_code":"USD","in_stock":true},{"title":"No","offer_id":55034773963043,"sku":null,"price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9279\/9011\/files\/44808FE6-9238-4F16-B0C1-38A64FA1BEDB.jpg?v=1777921263","url":"https:\/\/jackalmotorsports.com\/products\/jackal-motorsports-187mm-3-0t-crank-pulley-upgrade","provider":"Jackal Motorsports","version":"1.0","type":"link"}