Pinion Yokes

 
 GM 10 Bolt  Ford 8.8  Dana 20  Mopar
 GM 12 Bolt  Ford 9.0  Dana 35  
 GM 14 Bolt  Ford Sterling  Dana 30/44/50/  
     Dana 60/70  
     Dana 80  

Ford 8.8

Part Number Series Model Diameter Splines Length Bore Seal

Ring Gear

 E9SZ-4851A  1310  Ford 8.8 (companion 939)  1.312  30    1.242  1.812  8.8
 E6TZ-4851A  1330  Ford 8.8  1.312  30  3.145  1.242  1.812  8.8
 E9TZ-4851A  1330  Ford 8.8 (companion 1369)  1.312  30    1.242  1.812  8.8
 3304-05  1330  FORD 8.8  1.312  30  3.145  1.275  1.812  1.125 CUPS