GrimmSpeed Lightweight Crank Pulley Red - Subaru FA/FB Engines (095024) _32mm_(Rear)_(2017_MK7_GTI_Non-DCC) perfectly packaged for the Mk7

perfectly packaged for the Mk7 GLI

2 (4WD) Description_ASM Front Greenstuff 7000 Street sport FMSI D1680 2013 and up FORD F250 (inc Super Duty) 6

Aggressive Winglets

7 Description_ASM Front S4K FMSI D976 2003 thru 2009 TOYOTA 4 Runner 4

Will Not Fit 4x4 Manual Floor Shifter

GrimmSpeed Lightweight Crank Pulley Red - Subaru FA/FB Engines (095024) _32mm_(Rear)_(2017_MK7_GTI_Non-DCC) perfectly packaged for the Mk7Your factory crank pulley is responsible for transferring energy from your crankshaft to your water pump, a c compressor and alternator. It does this by way of a rubber belt and it does it's job well. The drawback to the factory pulley is that it's quite heavy. Reasons for this include less expensive manufacturing and using the pulley's mass to smooth out 'noise' in the accessory system (NOT to be confused with functioning as a harmonic dampener,