IE 3.0T TFSI 188mm Crank Pulley & Damper Upgrade Kit| Fits Audi B8/B8.5 S4, S5, Q5, SQ5 & C7 A6, A7

LEADING FEATURES Combine with IEBAVJ1C for dual pulley tune and up to 548HP 188mm overdrive crank pulley upgrade for dual pulley setups Replaces crank pulley and engine damper Combined pulleys increases supercharger RPM by 26% over stock Lightweight design for faster & easier engine revs USA in-house designed and manufactured CNC machined from 6061-T6 aluminum Black anodized finished for superior protection and looks Laser-etched logo and alignment marks for easy install Includes high-strength bolts and dual pulley sized SC belt Requires 57.5mm SC pulley and stage 2 dual pulley ECU tune DUAL PULLEY UPGRADE This 188mm crank pulley is designed to be combined with an IE 57.5mm supercharger pulley (IEBAVJ1C) to upgrade your existing single pulley setup for stage 2 dual pulley tunes.If you do not have a upgraded supercharger pulley and want to jump straight to Stage 2 double pulley power, the 207mm crank pulley IEBAVJ6 can be used instead with