Offset design is required when installing an oil cooler on any Twin Cam, designed for custom applications to provide additional clearance. Used with engine mounted spin-on oil filters and offers easy access to the oil lines. This Feuling adapters is equipped with a pressure relief valve, not a thermostat. This will result in a constant uninterrupted flow resulting in a constant maximum cooling capacity. Note: See 566058 for a replacement gasket kit.
