8-5/16” x 10-9/16” 10 BOLT REAR END. 7.50” DIA. RING GEAR WITH 1.438” DIA. PINION. IF YOUR HOUSING WAS EQUIPPED WITH 2.83 OR NUMERICALLY LOWER GEAR (FOR EXAMPLE 2.70) AND YOU ARE WANTING TO INSTALL A NUMERICALLY HIGHER GEAR THEN YOU NEED THE SPACER.
