{"product_id":"alta-02-06-mini-cooper-s-jcw-02-08-s-jcw-convertible-r53-lightened-crank-pulley-2","title":"ALTA 02-06 Mini Cooper S\/JCW \u0026 02-08 S\/JCW Convertible R53 Lightened Crank Pulley 2%+","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eAMP-ENG-520\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eALTA 02-06 Mini Cooper S\/JCW \u0026amp; 02-08 S\/JCW Convertible R53 Lightened Crank Pulley 2%+\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe ALTA Lightened Crank Pulley provides 2% underdrive and cuts rotational mass for 2002-2006 Mini Cooper S JCW R53 hatchback and 2002-2008 Cooper S JCW Convertible R52 models with supercharged W11 engine. It reduces accessory drive drag freeing power to the wheels while sharpening throttle response. This direct replacement delivers quicker revs and better overall engine efficiency.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Reduction:\u003c\/strong\u003e Drops from stock 25.6 oz to 10.2 oz for 15.4 oz savings accelerating engine spool-up and reducing inertia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2% Underdrive:\u003c\/strong\u003e Smaller 127mm diameter versus stock 130mm slows alternator AC compressor belt speeds cutting parasitic losses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Material:\u003c\/strong\u003e CNC machined from 6061-T6 billet aluminum with hard black anodizing for strength and corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Balancing:\u003c\/strong\u003e Precision balanced to eliminate vibration ensuring smooth high-RPM operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit Design:\u003c\/strong\u003e Bolt-on installation retains stock belt no modifications required maintains timing accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEnhances supercharger spool and mid-range torque on W11 engines\u003c\/li\u003e\n\u003cli\u003ePair with ALTA underdrive accessories for full accessory drive gains\u003c\/li\u003e\n\u003cli\u003ePackaged securely with protective sleeve for damage-free arrival\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 crank pulley holder tool such as MINI OEM or BMW NTK 11 9 220 equivalent\u003c\/li\u003e\n\u003cli\u003eTorque M20 crank bolt to 130 ft-lbs then additional 90 degree turn use new bolt\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\u003e2002-2006\u003c\/td\u003e\n\u003ctd\u003eMINI\u003c\/td\u003e\n\u003ctd\u003eCooper S\u003c\/td\u003e\n\u003ctd\u003eR53 Hatchback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2006\u003c\/td\u003e\n\u003ctd\u003eMINI\u003c\/td\u003e\n\u003ctd\u003eCooper S\u003c\/td\u003e\n\u003ctd\u003eJCW Kit R53 Hatchback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2008\u003c\/td\u003e\n\u003ctd\u003eMINI\u003c\/td\u003e\n\u003ctd\u003eCooper S\u003c\/td\u003e\n\u003ctd\u003eConvertible R52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2008\u003c\/td\u003e\n\u003ctd\u003eMINI\u003c\/td\u003e\n\u003ctd\u003eCooper S\u003c\/td\u003e\n\u003ctd\u003eJCW Convertible R52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose ALTA?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered and manufactured in the USA with racing-proven designs\u003c\/li\u003e\n\u003cli\u003eFocuses on high-quality billet components for reliable power gains\u003c\/li\u003e\n\u003cli\u003eBacked by decades of Mini Cooper tuning expertise\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 this pulley fit JCW GP or Works models?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes it fits all supercharged R53 R52 models including JCW kit GP1 GP2 as they share the W11 crank pulley mounting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What finish and material construction?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Machined from 6061-T6 aircraft aluminum with durable hard black anodizing resists wear handles track heat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage and install difficulty?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime warranty against manufacturing defects moderate install needs crank tool takes 1-2 hours for experienced mechanics\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 USPS Priority\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 Compact 6 x 5 x 3 inch box with foam inserts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.7 lbs product 1.1 lbs shipping\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Alta","offers":[{"title":"Default Title","offer_id":43794624479311,"sku":"ALTAMP-ENG-520","price":114.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/alta-02-06-mini-cooper-sjcw-02-08-sjcw-convertible-r53-lightened-crank-pulley-2-alta-3.jpg?v=1769108658","url":"https:\/\/www.blackopsautoworks.com\/products\/alta-02-06-mini-cooper-s-jcw-02-08-s-jcw-convertible-r53-lightened-crank-pulley-2","provider":"Black Ops Auto Works","version":"1.0","type":"link"}