By using this light weight alternator pulley, your Subaru BRZ or Scion FR-S will see gains in horsepower & torque through reduction in rotational weight & a much higher efficiency. This is due to the parasitic effects that the factory pulley has on the vehicle's boxer engine. An unlike an underdrive pulley, you will NOT see dips in alternator voltage, power assist, and air conditioning effectiveness.
Made of lightweight aircraft duralumin A7075.
About 110g lighter than stock.
Gold anodized finish.
Material: A7075 Duralumin
Most items may be returned within 30 days of the product arriving to your house or place of work. Returns will NOT be accepted on final sales, special orders, opened, installed, incomplete, or otherwise used products. In order to initiate a return, an RMA number must be requested and approved. All returns will be subject to a 15% restocking fee minus complete shipping cost. For complete details on our return policy, please see our Help and FAQ link under HELPFUL INFO.