BDelkron Inner Primary Case D5030 ReviewbP PP Delkron Inner Primary Case D5030 PCast from A356-T6 high grade aluminum for superior strength and CNC machined for exact fitPThese cases are thicker through the middle for added durability between the motor and transmissionPIncludes main bearing and seal, the starter shaft oil seal, the starter shaft bushing and the chain adjuster installedPH-D#60630-90P