The GReddy Oil Cooler Center Bolt Standard M20xP1.5 is a standard replacement center bolt for GReddy oil cooler applications that specify an M20x1.5 thread. It’s intended to restore or secure the center mounting or port interface on compatible GReddy cooler hardware when the standard Type‑F style M20xP1.5 fastener is required.
GReddy Oil Cooler Center Bolt Standard M20xP1.5