H190 Differential - Wagon/Roadster/520/521/620
This is the alloy case center section used in the Datsun 510 and Roadster. The case will interchange with the 320/520/521/620 pick-up with the swap to the large spline side gears. This unit is a 3.889:1 ratio and weighs 35.5 lbs. as pictured.