aFe Billet Aluminum Crank Power Pulley Kit | BMW M3 (E90/92/93) (09-12) V8 4.0L (79-10002) YMM_universal offering a combination of durability

offering a combination of durability

Every component is assembled with precision

Its corrosion-resistant finish protects against environmental elements

7-ounce loopback fabric

The diffuser can be purchased with optional rear extensions and center or side extensions separately

aFe Billet Aluminum Crank Power Pulley Kit | BMW M3 (E90/92/93) (09-12) V8 4.0L (79-10002) YMM_universal offering a combination of durabilityPower Pulley by aFe. Free up some hidden horsepower with the aFe Power Pulley! The Power Pulley replaces your factory crankshaft pulley. It underdrives your engine's accessories to reduce the parasitic loss, increasing horsepower to the rear wheels without any loss of vehicle functionality. It comes complete with new belts and all the necessary hardware. The engineers at aFe are not only skilled at making products that enable your engine to make more