Spicer 5-3207X Special Lube For Life Non-Greasable Universal Joint AAM 1415 series, outside snap ring dimension 4.178, cap diameter 1.188 Kit includes attaching hardware Dodge Ram 1500 2008-07, Ram 2500 2010-07, Ram 3500 2010-07; Ram 2500 2011, 3500 2011