Nissan 370Z [Z34] / Infiniti FX35, G35, G37, Q40, Q50, Q60 Underdrive Performance Lightweight Crank Pulley -Stillen

by Stillen

$ 209.47
SKU 400370
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STILLEN has long manufactured precision pulleys for our supercharger kits. We have used this expertise to produce a new line of high performance crank and accessory pulleys.


Each pulley is machined from 6061 aerospace grade billet aluminum with a bold new design to maximize performance, strength and minimum weight. 304 stainless steel sleeves are used for main seal contact points for durability. Stock timing marks are maintained and keyways are precision broached. All pulleys are CNC turned, milled and balanced based on computer generated designs.


Up to 80% lighter weight than stock steel and up to 10% lighter than other aftermarket pulleys, we've seen power gains of up to 10+ HP at the wheels.


Both underdrive and stock diameter applications available for most popular Nissan / Infiniti vehicles.

Product Features:

  • Underdrive Crank Pulley
  • Billet Aluminum CNC Machined at STILLEN
  • OEM Pulley Weight: 4.72 lbs.
  • STILLEN Pulley Weight: 0.99 lbs.
  • Approximate Underdrive: 20%
  • Shorter Belt Required and Sold Separately (Replacement Belt #400370B)
  • (Dual Throttle Body Engines)
  • Fits RWD & AWD Models
  • Not for sale for vehicles in California

Vehicle Application: 

  • 2007 - 2012 Infiniti FX35
  • 2007 - 2008 Infiniti G35 Sedan
  • 2008 - 2013 Infiniti G37
  • 2015 Infiniti Q40
  • 2014 Infiniti Q50 - 3.7 L; 6 Cyl;
  • 2014 Infiniti Q50 - 3.5 L; 6 Cyl;
  • 2015 Infiniti Q50 - 3.7 L; 6 Cyl;
  • 2014 - 2015 Infiniti Q60
  • 2009 - 2018 Nissan 370Z

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