{"product_id":"apr-aprms100184-supercharger-drive-crank-pulley-kit-with-belt","title":"APR - aprMS100184 - Supercharger Drive \u0026 Crank Pulley Kit with Belt","description":"APR's Supercharger Drive Pulley Upgrade decreases the diameter of the factory pulley from ~63.25mm to 57.75mm, which in turn spins the supercharger ~9.5% faster. This results in a healthy bump in horsepower and torque across the entire RPM range with the supercharger operating at a higher rate of speed. The pulley is CNC machined from billet stainless steel, e-coated black for an OEM appearance and is press fitted to the factory supercharger unit.APR's Supercharger Crank Pulley Upgrade increases the diameter of the factory pulley from ~162mm to ~187mm, which in turn spins the supercharger ~15.4% faster. This results in a larger bump in horsepower and torque across the entire RPM range, as the supercharger is spinning at an even higher rate of speed. The pulley retains the factory harmonically balanced crank pulley and bolts on top of the existing unit. It is CNC machined from light weight billet aluminum with weight saving pockets throughout. It has an anodized black finish and includes new crank pulley bolts.Upgrading both the supercharger drive and crank pulleys results in the factory supercharger spinning ~26.4% faster than stock. This speed was chosen after extensive engine and chassis dyno testing with various pulley sizes and supercharger speeds. The result is an even higher horsepower and torque gain across the entire RPM range. However, at the airflow levels achieved with a dual pulley setup, maximum power is severely restricted by the factory throttle body unit. The APR Ultracharger Throttle Body Upgrade is necessary to take full advantage of the dual pulley configuration, and is available in platform specific variations for the B8\/B8.5 A4\/A4\/S4\/S5, Q5\/SQ5 and C7 A6\/A7.Belt IncludedSoftware sold separately\nFits 2009-2018 Audi A6\/A7\/A8 Quattro - 2013-2017 Audi Q5 - 2011-2015 Audi Q7 - 2010-2017 Audi S4\/S5 - 2014-2017 Audi SQ5\nPlease note, specific software is required to maximize output with this product. Use part number MS100025 to remove the factory supercharger drive pulley.\n\u003cul\u003e\n  \u003cli\u003eSpins the charger 26.4% faster for massive torque and HP gains with tuning\u003c\/li\u003e\n  \u003cli\u003ePress on 57.75mm supercharger drive pulley\u003c\/li\u003e\n  \u003cli\u003eAnodized and E-coated factory black\u003c\/li\u003e\n  \u003cli\u003eRetains factory harmonic balancer\u003c\/li\u003e\n  \u003cli\u003eBolt on 187mm crank pulley\u003c\/li\u003e\n  \u003cli\u003eAppropriate belt included\u003c\/li\u003e\n  \u003cli\u003eFull dual pulley kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBrief Description\u003c\/h2\u003e\u003cp\u003eThe APR Supercharger Drive and Crank Pulley Upgrade increases supercharger speed for increased horsepower and torque across the RPM range when used with appropriate software. The dual-pulley configuration spins the factory supercharger approximately 26.4% faster than stock. The kit includes a press-fit 57.75 mm supercharger drive pulley, a bolt-on 187 mm crank pulley, and the appropriate belt.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Performance Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased Supercharger Speed:\u003c\/strong\u003e Spins the supercharger approximately 26.4% faster than stock for increased horsepower and torque with tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Pulley Configuration:\u003c\/strong\u003e Combines the supercharger drive pulley and crank pulley upgrades for higher supercharger operating speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Uses CNC-machined billet stainless steel for the drive pulley and lightweight billet aluminum for the crank pulley.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory-Oriented Installation:\u003c\/strong\u003e The drive pulley press-fits to the factory supercharger, while the crank pulley bolts over the factory harmonically balanced crank pulley.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Product Specifications \u0026amp; Technical Data\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: APR\u003c\/li\u003e\n\u003cli\u003ePart Number: aprMS100184\u003c\/li\u003e\n\u003cli\u003eProduct Type: Supercharger drive and crank pulley upgrade kit\u003c\/li\u003e\n\u003cli\u003eSupercharger Drive Pulley: 57.75 mm press-fit pulley\u003c\/li\u003e\n\u003cli\u003eCrank Pulley: 187 mm bolt-on pulley\u003c\/li\u003e\n\u003cli\u003eDrive Pulley Material: CNC-machined billet stainless steel\u003c\/li\u003e\n\u003cli\u003eCrank Pulley Material: Lightweight billet aluminum with weight-saving pockets\u003c\/li\u003e\n\u003cli\u003eFinishes: E-coated black drive pulley and anodized black crank pulley\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included in the Box\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAPR supercharger drive pulley\u003c\/li\u003e\n\u003cli\u003eAPR crank pulley\u003c\/li\u003e\n\u003cli\u003eAppropriate belt\u003c\/li\u003e\n\u003cli\u003eNew crank pulley bolts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cp\u003eFits select 2009–2018 Audi A6, A7, and A8 Quattro models; 2013–2017 Audi Q5 models; 2011–2015 Audi Q7 models; 2010–2017 Audi S4 and S5 models; and 2014–2017 Audi SQ5 models. Specific vehicle application should be verified before installation. Specific software is required to maximize output. The APR Ultracharger Throttle Body Upgrade is necessary to take full advantage of the dual-pulley configuration. Software is sold separately.\u003c\/p\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2009 Audi A6 Quattro Avant\u003cbr\u003e\n2009 Audi A6 Quattro Base\u003cbr\u003e\n2010 Audi A6 Quattro Avant\u003cbr\u003e\n2010 Audi A6 Quattro Base\u003cbr\u003e\n2010 Audi S4 Base\u003cbr\u003e\n2010 Audi S5 Cabriolet\u003cbr\u003e\n2011 Audi A6 Quattro Avant\u003cbr\u003e\n2011 Audi A6 Quattro Base\u003cbr\u003e\n2011 Audi Q7 Premium\u003cbr\u003e\n2011 Audi Q7 Premium Plus\u003cbr\u003e\n2011 Audi Q7 Prestige\u003cbr\u003e\n2011 Audi Q7 TDI Premium\u003cbr\u003e\n2011 Audi Q7 TDI Premium Plus\u003cbr\u003e\n2011 Audi Q7 TDI Prestige\u003cbr\u003e\n2011 Audi S4 Base\u003cbr\u003e\n2011 Audi S5 Cabriolet\u003cbr\u003e\n2012 Audi A6 Quattro Premium\u003cbr\u003e\n2012 Audi A6 Quattro Premium Plus\u003cbr\u003e\n2012 Audi A6 Quattro Prestige\u003cbr\u003e\n2012 Audi A7 Quattro Base\u003cbr\u003e\n2012 Audi Q7 Premium\u003cbr\u003e\n2012 Audi Q7 Premium Plus\u003cbr\u003e\n2012 Audi Q7 Prestige\u003cbr\u003e\n2012 Audi Q7 TDI Premium\u003cbr\u003e\n2012 Audi Q7 TDI Premium Plus\u003cbr\u003e\n2012 Audi Q7 TDI Prestige\u003cbr\u003e\n2012 Audi S4 Base\u003cbr\u003e\n2012 Audi S5 Cabriolet\u003cbr\u003e\n2013 Audi A6 Quattro Premium\u003cbr\u003e\n2013 Audi A6 Quattro Premium Plus\u003cbr\u003e\n2013 Audi A6 Quattro Prestige\u003cbr\u003e\n2013 Audi A7 Quattro Base\u003cbr\u003e\n2013 Audi A8 Quattro Base\u003cbr\u003e\n2013 Audi A8 Quattro L\u003cbr\u003e\n2013 Audi Q5 Premium Plus\u003cbr\u003e\n2013 Audi Q5 Prestige\u003cbr\u003e\n2013 Audi Q7 Premium\u003cbr\u003e\n2013 Audi Q7 Premium Plus\u003cbr\u003e\n2013 Audi Q7 Prestige\u003cbr\u003e\n2013 Audi Q7 TDI Premium\u003cbr\u003e\n2013 Audi Q7 TDI Premium Plus\u003cbr\u003e\n2013 Audi Q7 TDI Prestige\u003cbr\u003e\n2013 Audi S4 Base\u003cbr\u003e\n2013 Audi S5 Base\u003cbr\u003e\n2013 Audi S5 Cabriolet\u003cbr\u003e\n2014 Audi A6 Quattro Premium\u003cbr\u003e\n2014 Audi A6 Quattro Premium Plus\u003cbr\u003e\n2014 Audi A6 Quattro Prestige\u003cbr\u003e\n2014 Audi A6 Quattro TDI Premium Plus\u003cbr\u003e\n2014 Audi A6 Quattro TDI Prestige\u003cbr\u003e\n2014 Audi A7 Quattro Premium Plus\u003cbr\u003e\n2014 Audi A7 Quattro Prestige\u003cbr\u003e\n2014 Audi A7 Quattro TDI Premium Plus\u003cbr\u003e\n2014 Audi A7 Quattro TDI Prestige\u003cbr\u003e\n2014 Audi A8 Quattro Base\u003cbr\u003e\n2014 Audi A8 Quattro L\u003cbr\u003e\n2014 Audi A8 Quattro L TDI\u003cbr\u003e\n2014 Audi Q5 Premium Plus\u003cbr\u003e\n2014 Audi Q5 Prestige\u003cbr\u003e\n2014 Audi Q5 TDI Premium Plus\u003cbr\u003e\n2014 Audi Q5 TDI Prestige\u003cbr\u003e\n2014 Audi Q7 Premium\u003cbr\u003e\n2014 Audi Q7 Premium Plus\u003cbr\u003e\n2014 Audi Q7 Prestige\u003cbr\u003e\n2014 Audi Q7 TDI Premium\u003cbr\u003e\n2014 Audi Q7 TDI Premium Plus\u003cbr\u003e\n2014 Audi Q7 TDI Prestige\u003cbr\u003e\n2014 Audi S4 Premium Plus\u003cbr\u003e\n2014 Audi S4 Prestige\u003cbr\u003e\n2014 Audi S5 Premium Plus\u003cbr\u003e\n2014 Audi S5 Prestige\u003cbr\u003e\n2014 Audi SQ5 Premium Plus\u003cbr\u003e\n2014 Audi SQ5 Prestige\u003cbr\u003e\n2015 Audi A6 Quattro Premium Plus\u003cbr\u003e\n2015 Audi A6 Quattro Prestige\u003cbr\u003e\n2015 Audi A6 Quattro TDI Premium Plus\u003cbr\u003e\n2015 Audi A6 Quattro TDI Prestige\u003cbr\u003e\n2015 Audi A7 Quattro Premium Plus\u003cbr\u003e\n2015 Audi A7 Quattro Prestige\u003cbr\u003e\n2015 Audi A7 Quattro TDI Premium Plus\u003cbr\u003e\n2015 Audi A7 Quattro TDI Prestige\u003cbr\u003e\n2015 Audi A8 Quattro Base\u003cbr\u003e\n2015 Audi A8 Quattro L\u003cbr\u003e\n2015 Audi A8 Quattro L TDI\u003cbr\u003e\n2015 Audi Q5 Premium Plus\u003cbr\u003e\n2015 Audi Q5 Prestige\u003cbr\u003e\n2015 Audi Q5 TDI Premium Plus\u003cbr\u003e\n2015 Audi Q5 TDI Prestige\u003cbr\u003e\n2015 Audi Q7 Premium\u003cbr\u003e\n2015 Audi Q7 Premium Plus\u003cbr\u003e\n2015 Audi Q7 Prestige\u003cbr\u003e\n2015 Audi Q7 TDI Premium\u003cbr\u003e\n2015 Audi Q7 TDI Premium Plus\u003cbr\u003e\n2015 Audi Q7 TDI Prestige\u003cbr\u003e\n2015 Audi S4 Premium Plus\u003cbr\u003e\n2015 Audi S4 Prestige\u003cbr\u003e\n2015 Audi S5 Premium Plus\u003cbr\u003e\n2015 Audi S5 Prestige\u003cbr\u003e\n2015 Audi SQ5 Premium Plus\u003cbr\u003e\n2015 Audi SQ5 Prestige\u003cbr\u003e\n2016 Audi A6 Quattro Premium Plus\u003cbr\u003e\n2016 Audi A6 Quattro Prestige\u003cbr\u003e\n2016 Audi A6 Quattro TDI Premium Plus\u003cbr\u003e\n2016 Audi A6 Quattro TDI Prestige\u003cbr\u003e\n2016 Audi A7 Quattro Premium Plus\u003cbr\u003e\n2016 Audi A7 Quattro Prestige\u003cbr\u003e\n2016 Audi A7 Quattro TDI Premium Plus\u003cbr\u003e\n2016 Audi A7 Quattro TDI Prestige\u003cbr\u003e\n2016 Audi A8 Quattro L\u003cbr\u003e\n2016 Audi A8 Quattro L TDI\u003cbr\u003e\n2016 Audi Q5 Premium Plus\u003cbr\u003e\n2016 Audi Q5 Prestige\u003cbr\u003e\n2016 Audi Q5 TDI Premium Plus\u003cbr\u003e\n2016 Audi Q5 TDI Premium Plus S-Line\u003cbr\u003e\n2016 Audi Q5 TDI Prestige\u003cbr\u003e\n2016 Audi Q5 TDI Prestige S-Line\u003cbr\u003e\n2016 Audi S4 Premium Plus\u003cbr\u003e\n2016 Audi S4 Prestige\u003cbr\u003e\n2016 Audi S5 Premium Plus\u003cbr\u003e\n2016 Audi S5 Prestige\u003cbr\u003e\n2016 Audi SQ5 Premium Plus\u003cbr\u003e\n2016 Audi SQ5 Prestige\u003cbr\u003e\n2017 Audi A6 Quattro Competition\u003cbr\u003e\n2017 Audi A6 Quattro Premium Plus\u003cbr\u003e\n2017 Audi A6 Quattro Prestige\u003cbr\u003e\n2017 Audi A7 Quattro Competition\u003cbr\u003e\n2017 Audi A7 Quattro Premium Plus\u003cbr\u003e\n2017 Audi A7 Quattro Prestige\u003cbr\u003e\n2017 Audi A8 Quattro L\u003cbr\u003e\n2017 Audi Q5 Premium Plus\u003cbr\u003e\n2017 Audi Q5 Prestige\u003cbr\u003e\n2017 Audi S5 Base\u003cbr\u003e\n2017 Audi SQ5 Premium Plus\u003cbr\u003e\n2017 Audi SQ5 Prestige\u003cbr\u003e\n2018 Audi A6 Quattro Premium\u003cbr\u003e\n2018 Audi A6 Quattro Premium Plus\u003cbr\u003e\n2018 Audi A6 Quattro Prestige\u003cbr\u003e\n2018 Audi A6 Quattro Sport\u003cbr\u003e\n2018 Audi A7 Quattro Premium Plus\u003cbr\u003e\n2018 Audi A7 Quattro 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