1966 USA Standard Gear Parts and Accessories

USA Standard Gear replacement spider gear set for Dana 60, 35 spline

Part Number: SPZ-39009

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Estimated Ship Date: Mar 3, 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: Mar 2, 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: Mar 2, 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: Feb 27, 2026 if ordered today

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Ring and Pinion Gears, 3.21:1 Ratio, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set

Part Number: SPZ-36008

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Estimated Ship Date: Mar 2, 2026 if ordered today

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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: Mar 2, 2026 if ordered today

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USA Standard Ring & Pinion gear set for Ford 9" in a 6.50 ratio

Part Number: SPZ-36153

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Estimated Ship Date: Mar 2, 2026 if ordered today

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USA Standard Ring & Pinion gear set for Chrysler 8.75" (41 housing) in a 3.73 ratio

Part Number: SPZ-36013

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Estimated Ship Date: Mar 3, 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: Mar 3, 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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Estimated Ship Date: Mar 3, 2026 if ordered today

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9" FORD BRG & SEAL KIT LM102910, KOYO BRGS

Part Number: SPZ-58043

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Estimated Ship Date: Mar 3, 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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Estimated Ship Date: Mar 2, 2026 if ordered today

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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: Feb 27, 2026 if ordered today

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9.25" CHY REAR PINION KIT, KOYO BRGS

Part Number: SPZ-60004

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Estimated Ship Date: Mar 3, 2026 if ordered today

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USA Standard Master Overhaul kit for the Ford 9" LM102910 differential, w/ solid spacer

Part Number: SPZ-37034

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Axle Shaft, 30-Spline, 29.750 in. Length, Rear, Chevy, Each

Part Number: SPZ-35038

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Manual Trans Parts, Manual Transmission Synchro Sleeve

Part Number: SPZ-S0012

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 8.2" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10666

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Manual Transmission Bearing Retainer, Manual Transmission Input Bearing Retainer

Part Number: SPZ-ZMMUNWT297-6

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Estimated Ship Date: Feb 27, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 8.875" GM 12 Bolt Truck, 4.11 Ratio Thick Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: SPZ-10685

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Estimated Ship Date: Mar 2, 2026 if ordered today

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USA Standard Master Overhaul kit Dana 70 HD differential

Part Number: SPZ-37023

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Driveshaft, Rear, 2-piece, Assembled, Balanced, Steel, 31.250 in. Length, Ford, Each

Part Number: SPZ-44070

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Ring and Pinion Gears, 3.90:1 Ratio, 29-spline, Standard Ring Gear Rotation, Chrysler 9.25 in., Set

Part Number: SPZ-36019

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Estimated Ship Date: Mar 3, 2026 if ordered today

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USA standard ring & pinion gear set for Ford 8" in a 3.80 ratio.

Part Number: SPZ-36118

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Estimated Ship Date: Feb 27, 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: Mar 2, 2026 if ordered today

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