1310 U-Joint, Spicer Life Series, (DAN5-1310X) esr3694275 The solid cross makes them

The solid cross makes them stronger

and 4 lock nuts

and hold up to abuse

3-1/2" of threads

The flange is made from AISI 5140 forged steel

1310 U-Joint, Spicer Life Series, (DAN5-1310X) esr3694275 The solid cross makes themDana life series 1310 u joint. This u joint does NOT have a grease zerk. Since there's no adding grease, the cross is solid instead of hollow (for grease passages to each cap), and being solid increases strength over greaseable u joints. The journal crosses are cold formed from high quality steel, and ample grease reservoirs in each trunnion assure effective lubrication. They come pre filled with high quality synthetic grease, and use Spicer's highest