1964 USA Standard Gear Parts and Accessories

USA Standard Master Overhaul kit for Chrysler 8.75" #89 housing with 25520/90 differential bearings

Part Number: SPZ-37094

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36139

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set

Part Number: SPZ-36012

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Estimated Ship Date: Mar 10, 2026 if ordered today

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USA Standard Master Overhaul kit, Chrysler, 8.75 in., 489 Case, Kit

Part Number: SPZ-37091

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Ring and Pinion Gears, 3.90:1 Ratio, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set

Part Number: SPZ-36010

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 10, 2026 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 10-bolt, 26-spline, Standard Gear Rotation, Dana 44, Set

Part Number: SPZ-36042

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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

Part Number: SPZ-36050

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Estimated Ship Date: Mar 9, 2026 if ordered today

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USA Standard Ring & Pinion gear set for Dana 44 in a 5.89 ratio

Part Number: SPZ-36054

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Ring and Pinion Gears, 4.88:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36048

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Estimated Ship Date: Mar 10, 2026 if ordered today

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USA Standard Master Overhaul kit for the Ford 8" differential w/ HD posi

Part Number: SPZ-37029

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Estimated Ship Date: Mar 10, 2026 if ordered today

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USA Standard Gear Replacement Standard Spider Gear Set for Dana 70, 35 spline

Part Number: SPZ-39011

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Estimated Ship Date: Mar 10, 2026 if ordered today

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USA Standard steel spool for Dana 44 with 30 spline axles, 3.73 & down

Part Number: SPZ-59013

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Estimated Ship Date: Mar 10, 2026 if ordered today

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55 - 64 CHEVY PASS BRGS & SEAL, KOYO BRGS

Part Number: SPZ-58048

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Estimated Ship Date: Mar 10, 2026 if ordered today

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USA Standard Gear replacement spider gear set for Dana 60, 30 spline

Part Number: SPZ-39008

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Estimated Ship Date: Mar 10, 2026 if ordered today

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8.2" CHEVY BRG & SEAL KIT, KOYO BRGS

Part Number: SPZ-58049

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Estimated Ship Date: Mar 10, 2026 if ordered today

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12P GM BEARING & SEAL KIT, KOYO BRGS

Part Number: SPZ-58044

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Ring and Pinion, Installation Kit, Dana 44, Kit

Part Number: SPZ-58036

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 10, 2026 if ordered today

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Ring and Pinion Installation Kit, GM 8.5 in., Rear, Kit

Part Number: SPZ-37058

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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USA Standard steel spool for Dana 60 with 35 spline axles, 4.10 & down

Part Number: SPZ-59016

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Ring and Pinion Gears, 4.88:1 Ratio, 10-bolt, 26-spline, Standard Gear Rotation, Dana 44, Set

Part Number: SPZ-36047

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Ring and Pinion Gears, 5.38:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36079

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 8.2" GM, 3.08 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10664

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Crosspin, Replacement, Steel, Spartan, Rear, GM 8.875 in., Each

Part Number: SPZ-17023

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Differential Carrier, Spartan Locker, Steel, 28/31-spline, Open Case, Rear, Ford 8/9 in., Each

Part Number: SPZ-17042

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set

Part Number: SPZ-36141

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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