Grimmspeed Lightweight Crank Pulley BLACK - Subaru FA/FB Engines [Equipped w/1-Piece OEM Pulley] - 095023 .040" 6061-T6 aluminum w/ black anodized

6061-T6 aluminum w/ black anodized finish

Flippable handle to aid removal

2x MAF Flange Screws

Our push lock fittings feature our famous hand-polished finish and are cut from 6061 T6 Aluminum alloy on CNC machine turning centers providing superior safety and performance

your OEM K-Series engine harness

Grimmspeed Lightweight Crank Pulley BLACK - Subaru FA/FB Engines [Equipped w/1-Piece OEM Pulley] - 095023 .040" 6061-T6 aluminum w/ black anodizedYour 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,