Lakewood conversion U-Joints are fatigue and wear-resistant, the ultimate in strength! Designed with ultra-durable chrome-nickel-moly alloy cross and caps, and special high-carbon steel and induction heat-treated needle bearings. This U-joint has a solid forged non-greasable cross body. Features: Designed for mating non-OEM drivetrain components Non-greasable 7290= 2.625" (2-5/8) Inside Yoke Span 1.125" cap. 1310 = 3.219" (3-7/32) outside 1.062" cap