1978 USA Standard Gear Parts and Accessories

Spartan Differential Locker, Chrysler 8.25 in., 29-spline Axle, Chrysler, Dodge, Jeep, Plymouth, Each

Part Number: SPZ-17038

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Ring and Pinion Gears, 3.54:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 70, Set

Part Number: SPZ-36087

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Driveshaft, Front, 2-piece, Assembled, Balanced, Steel, 27.500 in. Length, Chevrolet, GMC, Each

Part Number: SPZ-44287

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USA Standard Master Overhaul kit for the 'Model 20 differential

Part Number: SPZ-37065

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Fits '90-'93 Dodge Ramcharger & Trailduster front with manual transmission. 27 1/2" center of u/joint caps.

Part Number: SPZ-44519

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Ring and Pinion Gears, 5.13:1 Ratio, 26-spline, Reverse Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36068

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Ring and Pinion Gear, 3.08:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36211

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USA Standard Ring & Pinion gear set for GM 7.5" in a 2.73 ratio

Part Number: SPZ-36192

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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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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: Apr 16, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 8.25" CHRYSLER, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 1.62" ID Axle Bearings & Seals

Part Number: SPZ-10902

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Estimated Ship Date: Apr 10, 2026 if ordered today

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USA Standard Ring & Pinion gear set for Dana 44 Reverse rotation in a 3.73 ratio

Part Number: SPZ-36064

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Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, Ford 8.8 in., 28-spline, 10-bolt, Ford, Lincoln, Mazda, Mercury, Kit

Part Number: SPZ-39015

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USA Standard Gear standard spider gear set for Ford 8.8", 31 spline

Part Number: SPZ-39016

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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

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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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Ring and Pinion Gears,USA Standard 8.875" GM 12 Bolt Truck, 3.08 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: SPZ-10680

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Transfer Case Rebuild Kit, Bearing and Seal Kit, Dana 20 with Cast Iron Case, 30mm I.D. Front Output Bearing, Chevy, Jeep, Dana 20, Kit

Part Number: SPZ-78297

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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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Axle Shaft, 30-Spline, 31.438 in. Length, Rear, Chevy, GMC, Each

Part Number: SPZ-35053

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Ring and Pinion Gears, 4.88:1 Ratio, 10-bolt, 27-spline, Standard Gear Rotation, Chrysler, 8.25 in., Set

Part Number: SPZ-36268

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Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: SPZ-36185

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Ring and Pinion Gear, 3.90:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36215

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, 28-spline, 10-bolt, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: SPZ-39026

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USA Standard steel spool for Model 20 with 29 spline axles, 3.08 & up

Part Number: SPZ-59020

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Estimated Ship Date: Apr 15, 2026 if ordered today

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