Featuring an impressive increase to 493 HP / 441 lb-ft of torque, Unitronic's Stage 3 Crank Pulley Upgrade Kit includes its 187 mm Crank Pulley, 7PK1300 Belt, and most importantly its Stage 3 Dual Pulley Performance Software calibration.
This can be purchased as an Upgrade Kit for users who already have Unitronic's Stage 1 / 1+ Performance Software or Stage 2+ Supercharger Drive Pulley Kit at a discounted rate or it can be purchased as a complete Dual Pulley Kit with the Supercharger Drive Pulley.
Unitronic's Stage 3 Dual Pulley Performance Software calibration is engineered specifically for use with both its Supercharger Drive and Crank Pulleys to ensure maximum performance is achieved while maintaining complete OEM-like reliability and drivability.

187 mm Crank Pulley:
Optimized pulley size for maximum performance. 6061-T6 Aluminum Construction:
Durable rust proof and laser cut. Black Anodized Finish:
Black anodized finish for the best possible look. TDC marking for easy install:
Easily align your new crank pulley for a trouble-free install. 7PK1300 Belt:
High-Quality belt that perfectly fits your Unitronic Dual Pulley Upgrade Kit. Genuine Audi Crankshaft Bolts:
High-Quality OEM bolts for a perfect fit every time.

• Unitronic 187 mm Crank Pulley
• Unitronic Supercharger Pulley
• 7PK1300 Belt
• Genuine Audi Crankshaft Bolts

Unitronic's Dual Pulley Upgrade Kit is very straight forward to install. Consisting of many OEM and precisely engineered Unitronic components using the latest in 3D modeling technology to ensure perfect fitment and maximum performance.

Unitronic UH009-BTA Vehicle Fitment:

• 2012-2018 Audi C7 A7 3.0L TFSI
• 2010-2017 Audi B8 S4 3.0L TFSI
• 2010-2017 Audi B8 S5 3.0L TFSI
• 2014-2017 Audi B8 SQ5 3.0L TFSI