• Center 20T belt pulley • Increased durability • Longer lifespan • Side cover with holes for reduced maintenance • Strategically lightened for lower weight • Hard coated for extra durability • Swiss 7075 T6 aluminum • Factory pre-assembled • Fits RX8 & RX8E Aluminum center 20T belt pulley. CNC-machined from premium lightweight Swiss 7075 T6 aluminum, hard coated for extra durability and long lifespan. Super lightweight design with reduced rotating mass, without sacrificing strength or durability. The belt pulley features lightweight aluminum side cover with cleaning dust holes for reduced maintenance. Factory pre-assembled. Fits RX8 & RX8E.