Seller notes

For 1975-1978 GMC K25 Differential ARB 34656DMHM 1976 1977 Review Fitment Notes to Ensure Proper Fit Condition: NewBrand: ARBNotes: Air Locker Differential -- Shaft Spline 30; Ratio 3.73 And Down; Dana 44M; Dana 44Features:Allows Concentration On TerrainEasy/Convenient OperationIncredibly Simple Yet Effective DesignDoes Not Affect Road Drivability/Driveline WearEmploys Minimal Moving Parts Ensuring Maximum ReliabilityReduces Likelihood Of Vehicle Damage/Environmental ImpactUltra Durable And Extr...

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