Steel single sided Ford 9 inch pinion plate with climber gear, back nut. Made of A36 high strength steel. Adjustments made easy with climber gear nut. 

Adjustment is 1 1/4" above the pinion to 2 1/4" below the pinion.  Adjustment nut is on a arc so rear end is not affected when raising or lowering.  

This pinion plate can replace BSB, Wehrs, Keyser and many others.