This is a brand new underdrive pulley from stillen with Gates belt, never installed. I've got a supercharger going on soon so this is no longer very useful
Quote:
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.
Lightweight Underdrive Crank Pulley
Applications:
2009-2009 Nissan 370Z
2008-2009 Infiniti G37 Coupe
2009-2009 Infiniti G37 Sedan
2007-2008 Infiniti G35 Sedan
2007-2008 Nissan 350Z
2007.5-2009 Infiniti FX35 (Dual Throttle Body)
OEM Pulley Weight: 4.72lbs
STILLEN Pulley Weight: 0.99lbs
Approximate Underdrive: 20%
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$190 shipped
Stillen sells this for $190 + $40 for the belt