APR Supercharger Crank Pulley - 3.0 TFSI (MS100133) 17685 The race disc features top

The race disc features top grade rivets to securely fasten the part together

Features 80 seconds of RPM recording and peak RPM recall

BM12-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc

These BBK replacement filters are now available individually as replacements for a damaged torn or otherwise unusable filters that were included with your original BBK cold air intake

Nut sold separately (part # 11703)

APR Supercharger Crank Pulley - 3.0 TFSI (MS100133) 17685 The race disc features topAPR's Supercharger Drive and Crank Pulley Upgrades dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger. APR's Stage II Pulley ECU Upgrade makes the necessary engine management adjustments to handle the increased supercharger speeds, and in turn allows the engine to create more power. The pulleys are sold separately, allowing for multiple levels of performance, each of which builds upon the other.