Grimmspeed Crank Pulley RED - Subaru FA/FB Engines [Equipped w/1-Piece OEM Pulley] - 095024 85.5mm 5" Tube Stainless Steel

5" Tube Stainless Steel

AI2-XTG4 kit features an Xtreme pressure plate for the most demanding driver

Vehicle Speed

These wastegate blankets are internally insulated with high temperature calcium magnesium silicate wool (Rated 1832°F Continuous / 2300°F Peak) overlaid with a high temperature stainless steel mesh for increased durability and improved thermal resistance

Grimmspeed Crank Pulley RED - Subaru FA/FB Engines [Equipped w/1-Piece OEM Pulley] - 095024 85.5mm 5" Tube Stainless SteelYour 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,