Heavy Hitter Standard Open Spider Gear Kit For 8.5 Inch GM Differential With 28 Spline Axles Upgrade Your Rig With Shop Grade Side Gears Pinion Shafts And Thrust Washers Built Rock Solid And Slick Fitting For Smooth Performance

Single Complete Set Of Heavy Duty Spider Gears
✔️ Features two side gears, two pinion gears, cross bar, and thrust washers

This complete set of components replaces worn differential pieces to restore smooth power transfer in rear axle assemblies. Mechanics install this unit when upgrading stock transmissions for serious trail duty or hauling heavy loads across uneven terrain.

✅ Handles high torsion loads without bending under hard acceleration
✅ Fits twenty eight spline axle housings while matching standard spacing
✅ Keeps internal clearances tight to minimize metal to metal friction and heat
✅ Arrives pre measured for direct bolt on drop replacements in open differntials

💡 How does upgrading differential side gears improve overall axle durability?

Swapping to reinforced side and pinion gears is a handy move for trucks eating up rough terrain. - Stops gear teeth from shearing off when tackling steep mountain grades - Resists impact damage during sudden torque spikes without cracking alignment - Cuts down on expensive teardown time by keeping differential internals secure
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