Availability
1985 Differential & Rear-End Components
Ring and Pinion Installation Kit, Complete, Dana 30, Front, Kit
Part Number: RMG-XL-1056-1
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
USA Standard Master Overhaul kit for the GM 8.5 front differential
Part Number: SPZ-37056
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Chromoly Front Axle Shaft - Inner (Dana 44) GM 8.5" LH
Part Number: SDH-10007802
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Axle Shaft, Rear, C-clip, 1541H Alloy Steel, 28-spline, 31.313 in. Length, GM 8.5 in., Chevy, GMC, Each
Part Number: YGA-21253
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
9"AXLE BRG RETNR, SET20 +lrg&sml SEALED DESIGNS, 3/8"BOLT Hole
Part Number: YGA-33466
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring Gear Bolt, 7/16-20 in. LH Thread Size, Steel, Natural, Rear, Chrysler 9.25 in., Each
Part Number: YGA-33033
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring and Pinion Kit
Part Number: RMG-D60488RT
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Ring and Pinion Installation Kit, Master Kit, Dana 35, Kit
Part Number: MGR-R35JRMK
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Ring and Pinion Gears, 3.23:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set
Part Number: SPZ-36194
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Differential, Eaton Detroit Locker, 35-Spline, Ford, 9 in., Each
Part Number: ETN-187S160A
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
78-88 GM G-Body 9-Inch Crate, Black PC, 31-Spline Axle, 4.11 Ratio, Helical Worm Gear Differential, Brakes Not Included
Part Number: CUR-CR-GG141TNBB
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
78-88 GM G-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.70 Ratio, Helical Worm Gear Differential, Brakes Not Included
Part Number: CUR-CR-GG137TNBB
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Gear, Ring and Pinion, 4.56:1 Ratio, Dana 30, Set
Part Number: MGR-D30-456
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Differential Cover, 10-bolt, Steel, Chrome, Ford 8.8 in., Each
Part Number: YGA-32009
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Axle Shaft, Front Inner, 4340 Chromoly, 28 Spline, 35.46 in. Length, GM 8.5 in., Each
Part Number: YGA-21366
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Clutch Guide, Trac Loc, Chrysler 9.25 in., Dana 44, Dana 60, Each
Part Number: YGA-33249
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring & Pinion Gear Set Dana 35 / 3.73 Ratio
Part Number: SVL-2020481
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Pinion Nut, Steel, 3/4 in.-16 Thread, Each
Part Number: SDH-30185
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring and Pinion-Ford 9
Part Number: MGR-F9-567A
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Differential Cover, 12-bolt, Aluminum, Polished, AMC Model 20, Each
Part Number: YGA-32031
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ Aluminum 12 Bolt AMC Model 20 Differential Cover SUM-730511
Estimated Ship Date: Tomorrow
Front Axle Shaft
Part Number: SDH-620085
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring & Pinion Gear Set GM 10 Bolt 8.5" / 3.90 Ratio
Part Number: SVL-2020954
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Differential, Eaton Detroit Truetrac, Limited Slip, 27-Spline, Toyota, 7.5 in., Each
Part Number: ETN-911A445
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Differential Carriers, Dura Grip Positraction Carriers, Chrysler 8.25 in., Clutch-type, 27-spline, 10-bolt, 2.56 Ratio and Up, Chrysler, Dodge, Each
Part Number: YGA-26054
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Differential, Grip Pro Traction System, 27-Spline, Dana 35, Each
Part Number: PWT-GT443527
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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