Evosport BMW E36 Aluminum Performance Underdrive Power Steering Pulley - Brand new never installed The original Evosport pulley developed and manufactured in the US. Features 6061 black anodized aluminum power steering pulley. Underdrives factory power steering pump by roughy 10%-15%. Tested on the street and the track. Re-uses factory hardware. NOTE: Longer serpentine belt may be required depending on vehicle pulley setup. Application: BMW E36 323/325/328/M3 (US) BMW E36 M3 (Euro S50/52) WARNING: You purchase and use this item at your own risk. No warranty expressed or implied offered. No returns. All sales final.