The GReddy universal oil cooler kit (NS1310G) is offered with M20x1.5 fittings, matching a common metric thread standard for oil-cooling plumbing. Supplied as a universal kit, it includes the cooler components configured for M20x1.5 connections so it can be integrated into systems that use this thread size.
GReddy Universal O/C Kit M20x1.5 NS1310G