This is a very correct and very high quality set of US made axle cover gaskets. These are the front and rear differential cover plate gaskets. This particular set is for the M38, M38A1, and M170. This set consists of a front gasket for the Dana 25 plus the rear Dana 44. This set will fit the CJ2A, CJ3A, and CJ3B with the Dana 44. Note: This will not fit the Dana 41 axles.