Oil Pickup Pre Filter - Killer B - GR86Killer B Oil Pickup Pre Filter for GR86 FA24 Engine The Killer B Motorsport Pickup Prefilter prevents stray silicone sealant from entering the OEM pickup. The surface area of our screen is significantly larger than the OEM screen inside the pickup. This means more sealant can be filtered without restricting flow. Up to 80% of our screen area can be blocked before flow is effected. Features Include: Prevents large Silicone Pieces from Clogging the OEM