USA Standard Gear Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

USA Standard Gear Ring and Pinion Sets ZG F10.25-355S Ford 10.25 in. 3.55 Gears

Ring and Pinion Gears, 4.55:1 Ratio, 31-spline, Standard Rotation, Short Spline Design, Ford 10.25 in., Set

Part Number: SPZ-36102

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG F10.25-456L Ford 10.25 in. 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 31-spline, Standard Rotation, Long Spline Design, Ford 10.25 in., Set

Part Number: SPZ-36109

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Full Spools ZP FSF9-31

Spool, Full, 31-spline, Steel, Ford 9 in., Each

Part Number: SPZ-59004

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Posi 31 Spline Differential Carriers GM 8.5 Inch, O axle ZP PGM8.5O-3-31

Differential Carrier, Limited Slip, 31-Spline Axle, Oldsmobile, 8.5 in., Each

Part Number: SPZ-59006

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.5 Inch, O axle YDGGM8.5O-3-28

5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

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USA Standard Gear Spools and Mini Spools ZP MINSGM8.5-28

8.5" GM 28spl MINI SPOOL

Part Number: SPZ-59011

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Full Spools ZP FSTV6-30

Spool, Full, 30-spline, Steel, Toyota 8.0 (7.8) in., Each

Part Number: SPZ-59012

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Spools and Mini Spools ZP FSD60-3-30

USA Standard steel spool for Dana 60 with 30 spline axles, 4.10 & down

Part Number: SPZ-59014

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Full Spools ZP FSD44-4-30UP

USA Standard steel spool for Dana 44 with 30 spline axles, 3.92 & up

Part Number: SPZ-59015

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Full Spools ZP FSD60-4-30

USA Standard steel spool for Dana 60 with 30 spline axles, 4.56 & up

Part Number: SPZ-59017

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Spools and Mini Spools ZP MINSF9-28

USA Standard mini spool for Ford 9" with 28 spline axles

Part Number: SPZ-59022

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Spools and Mini Spools ZP MINSGM8.2-28

USA Standard mini spool for GM 8.2"

Part Number: SPZ-59024

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Differential Carriers ZP PC8.75-AGRS

8.75" Chrysler RACE Power Lok POSI , COMPLETE - SURE GRIP .

Part Number: SPZ-59026

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear - Axle Shafts, Direct Fit for 2003-2009 4RUNNER, GX470, 2007-2014 FJ CRUISER - ZA K630852

Axle 8" V6 & 8.2" TOYOTA REAR, '03+ 4RUNNER & LC PRADO, '07-'14 FJ CRUISER, 31.2", 6x5.5", 30SPL

Part Number: SPZ-12231

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear - Axle Shafts, Direct Fit for 2004-2008 CANYON, COLORADO - ZA K630855

Axle 8.0 GM 31.9" LH 6LUG 28splCOLORADO/ CANYON 2WD w/Z71 & 4WD

Part Number: SPZ-12234

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear - Axle Shafts, Direct Fit for 2007-2009 ASPEN, 2004-2009 DURANGO - ZA K630801

Axle 8.25" CHY REAR, '04-'09 DURANGO, RH, 29spl, 31 7/16" LONG, 5 LUG, w/o_TRACTION CONTROL

Part Number: SPZ-12235

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear - Axle Shafts, Direct Fit for 2007-2009 ASPEN, 2004-2009 DURANGO - ZA K630802

Axle 8.25" CHY REAR, '04-'09 DURANGO, LH, 29spl, 34 5/8" LONG, 5 LUG, w/o_TRACTION CONTROL

Part Number: SPZ-12236

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Spartan Lockers Dana 60 SL D60-30

Differential Carrier, Spartan Locker, Steel, 10-bolt, 30-spline, Rear, Dana 60, Chevy, Dodge, Ford, Jeep, Each

Part Number: SPZ-17003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Spider Gear Sets ZIKGM9.25IFS-S-33

Differential Carrier Gear Kit, USA Standard Gear standard spider gear set for GM 9.25 IFS

Part Number: SPZ-39042

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK001 AMC Model 35/Dana 30 4.56 Gears

This is a complete package that includes front & rear ring & pinion sets along with the most complete master o

Part Number: SPZ-40000

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Spartan Lockers Toyota 7.5 Inch SL T7.5-27

Spartan Differential Locker, Toyota 7.5 in., 27-spline Axle, Toyota, Each

Part Number: SPZ-17014

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Spartan Lockers Toyota 8.0 (7.8) Inch SL T8-30

Spartan Differential Locker, Toyota, 8.0 in., 30-spline Axle, Rear, Each

Part Number: SPZ-17015

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Spartan Locker Replacement Crosspins SL XP-D44

Crosspin, Replacement, Steel, Spartan, Dana 44, Each

Part Number: SPZ-17017

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Spartan Locker Replacement Crosspins for 1996-2004 GRAND CHEROKEE - SL XP-D44HD

Crosspin, Replacement, Steel, Spartan, Dana 44, Each

Part Number: SPZ-17018

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Spartan Locker Replacement Crosspins SL XP-D60

Crosspin, Replacement, Steel, Spartan, Dana 60, Each

Part Number: SPZ-17019

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

USA Standard Gear Spartan Locker Replacement Crosspins SL XP-M35

Crosspin, Replacement, Steel, Spartan, AMC Model 35, Each

Part Number: SPZ-17026

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today