Beatrush Alternator Pulley - Subaru BRZ & Scion FR-S (inc. GT86) [Clearance] TOW HOOK This piece uses a hollow

This piece uses a hollow D-shaped aluminum shaft with sturdy steel endpoints

Improvements will be felt in shifting

As a secondary effect

Even the most powerful cars can not perform at a high level without sufficient chassis rigidity

2016 Honda Fit RS

Beatrush Alternator Pulley - Subaru BRZ & Scion FR-S (inc. GT86) [Clearance] TOW HOOK This piece uses a hollow**Final Sale Item** 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