High quality chassis parts. Made of high-strength steel tubes for superior strength and durability. Stable performance, reliable quality and long service life Uniform thickness, no gas bubbles, slag, cracks, breaks or incomplete fusion. Measured by specialized inspection tools after welding to ensure that the assembly holes, bushing inserts and installation dimensions meet requirements. Professional installation is highly recommended (instruction not included) Post-installation alignment is highly recommended Direct replacement, no modifications required High quality, easy installation, easy to operate Provides accurate hub rotation guidance Compatibility Chart: For DODGE RAM 5.9L DIESEL 1989-2012 For DODGE RAM 6.7L DIESEL 1989-2012 Package Contents: Fan Pulley Hub Bearing