CHEVROLET 5.3L/327 USA Standard Gear Parts and Accessories

Differential Carrier, Spartan Locker, 30-spline, Steel, Rear, GM 8.875 in., Each

Part Number: SPZ-17032

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Ring and Pinion Gears, 4.11:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36041

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Differential Carrier Rebuild Kits and Spider Gears, GM 8.2 in., Side Gears, Rear, Open, 28-spline, 10-bolt, Chevy, Kit

Part Number: SPZ-39025

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Ring and Pinion Gears, 3.54:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36073

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Ring and Pinion Gears, 3.73:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36074

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.875 in. Passenger Car, Set

Part Number: SPZ-36167

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Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36045

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Axle 12P GM REAR, 31-3/8" LONG, 30spl, 1.620" LARGE BRGSHAFT, 5 x 4.75" BP, 5 LUG

Part Number: SPZ-12219

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Ring and Pinion Gears, 5.38:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36053

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36044

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Ring and Pinion Gears, 5.13:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36078

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USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.90 ratio

Part Number: SPZ-36169

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USA Standard Ring & Pinion "thick" gear set for Dana 44 in a 5.13 ratio

Part Number: SPZ-36051

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Ring and Pinion Gears, 3.08:1 Ratio, 17-spline, Standard Ring Gear Rotation, GM 55P, Set

Part Number: SPZ-36189

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Estimated Ship Date: Feb 9, 2026 if ordered today

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USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offe

Part Number: SPZ-36315

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USA Standard Ring & Pinion "thick" gear set for GM 12 bolt truck in a 4.56 ratio

Part Number: SPZ-36180

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USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.42 ratio

Part Number: SPZ-36165

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ring and Pinion Gears, 3.54:1 Ratio, 10-bolt, 26-spline, Standard Gear Rotation, Dana 44, Set

Part Number: SPZ-36039

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Estimated Ship Date: Feb 9, 2026 if ordered today

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USA Standard Ring & Pinion "thick" gear set for GM 12 bolt truck in a 4.11 ratio

Part Number: SPZ-36178

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USA Standard Ring & Pinion gear set for GM Chevy 55P in a 3.73 ratio

Part Number: SPZ-36191

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Ring and Pinion Gears, 3.08:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.875 in. Truck, Set

Part Number: SPZ-36173

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36075

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Axle Shaft, Direct Fit, w/2.30 in. Bearing Offset, Heat Treat, LH, Rear, 17-spline, 28.825 in. Long, for non-Corvette GM 55P Differentials, Chevy,Kit

Part Number: SPZ-12217

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USA Standard Ring & Pinion gear set for GM 12 bolt truck in a 4.56 ratio

Part Number: SPZ-36179

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Ring and Pinion Gears, 3.73:1 Ratio, 25-spline, Standard Ring Gear Rotation, GM 8.2 in., Set

Part Number: SPZ-36205

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Estimated Ship Date: Feb 9, 2026 if ordered today

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