The Bars for Housing /Case Spreaders are beefy and have a long life however most users buy new ones when the hardware fails.
DIFFERENTIAL HOUSING SPREADER FOR DANA AXLES FItS 30. 44. 60, 70 & 80 SERIES
Steel Differential Housing Spreader Case for Dana Axles 30 44 60 70 80 Series
Differential Housing Spreader fit for Dana 30-80 Series 27 30 44 45 50 53 60
VEVOR Differential Housing Case Spreader for Dana Axles 30 44 60 70 & 80 Serie
for Dana Axles 30 44 60 70 80 Series Differential Housing Case Spreader-Gray