1987 USA Standard Gear Parts and Accessories

Ring and Pinion Gears, 4.88:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36127

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Estimated Ship Date: May 11, 2026 if ordered today

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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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Estimated Ship Date: May 11, 2026 if ordered today

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Axle Shaft, 30-Spline, 33.375 in. Length, Rear, Chevy, GMC, Each

Part Number: SPZ-35055

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Estimated Ship Date: May 11, 2026 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 29-spline, Standard Ring Gear Rotation, Chrysler 9.25 in., Set

Part Number: SPZ-36020

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Ring and Pinion Gears, 3.55:1 Ratio, 29-spline, Standard Ring Gear Rotation, Chrysler 9.25 in., Set

Part Number: SPZ-36018

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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: May 8, 2026 if ordered today

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Differential Rebuild Kits, USA Standard Master Overhaul kit Dana 50 IFS

Part Number: SPZ-37135

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Estimated Ship Date: May 8, 2026 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 70, Set

Part Number: SPZ-36088

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Transfer Case Components, BW1370, BW4401, NP241C, & NP243 T-CASE CHAIN

Part Number: SPZ-78547

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Ring and Pinion Gears, 3.89:1 Ratio, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36138

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Estimated Ship Date: May 11, 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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Estimated Ship Date: May 8, 2026 if ordered today

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USA Standard axle for Ford Mustang & Thunderbird

Part Number: SPZ-35105

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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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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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Ring and Pinion Gears, 3.23:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36212

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Estimated Ship Date: May 7, 2026 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36197

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 13, 2026 if ordered today

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Ring and Pinion Gears, 3.50:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36135

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Transfer Case Rebuild Kits, NP231 T-CASE BEARING KIT, WIDE INPUT BRG

Part Number: SPZ-73873

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Estimated Ship Date: May 11, 2026 if ordered today

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4340 Chromoly Axle, '79-'87 GM Truck & Blazer, RH inner, 28spl, uses 5-760X u/joint

Part Number: SPZ-35087

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Estimated Ship Date: May 11, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 30, Set

Part Number: SPZ-36026

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Estimated Ship Date: May 7, 2026 if ordered today

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Differential Ring and Pinion, USA Standard Ring & Pinion gear set for Toyota 8" in a 3.90 ratio

Part Number: SPZ-36354

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Estimated Ship Date: May 11, 2026 if ordered today

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Transfer Case Bearing and Seal Overhaul Kit, Transfer Case Bearing and Seal Overhaul Kit

Part Number: SPZ-ZTBK195

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Estimated Ship Date: May 8, 2026 if ordered today

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Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: SPZ-36188

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Estimated Ship Date: May 11, 2026 if ordered today

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Axle Shaft, 31-spline, 31.844 in. Length, Rear, Ford 9 in., Each

Part Number: SPZ-35032

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USA Standard Gear standard spider gear set for Ford 9", 31 spline, 4-pinion design

Part Number: SPZ-39018

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Estimated Ship Date: May 11, 2026 if ordered today

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