Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

Trail-Gear Rock Assault Rear Axle Housings 305980-KIT

Axle Housing, Fabricated 8.4" Housing 3.5" OD - 3/8" Wall Tube

Part Number: TGI-305980-KIT

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

Trail-Gear Rock Assault Rear Axle Housings 305932-KIT

Axle Housing, Toyota E-locker 8" Housing (3.5" OD - 1/4" Wall Tube)

Part Number: TGI-305932-KIT

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

Trail Gear Differential Carrier Rebuild Kits and Spider Gears 140234-1-KIT

Differential Housing Kit, High Pinion Conversion, 5.29 Ratio

Part Number: TGI-140234-1-KIT

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

Trail-Gear Rock Assault Rear Axle Housings 305979-KIT

Axle Housing, Fabricated 8.4" Housing 3.5" OD - 1/4" Wall Tube

Part Number: TGI-305979-KIT

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

USA Standard Gear - Axle Shafts, Direct Fit for 1976-1977 BRONCO - ZA FBRONCO-3-35

Ford 9" Bronco axle kit, '76-'77, 35 spline

Part Number: SPZ-35036

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Axle Shafts for 1986-1990 WAGONEER - ZA W24138

D44 19/30spl 4340 FRONT AXLE KIT w/ 297X, 80-92 WAGONEER

Part Number: SPZ-35066

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Axle Shafts for 1974-1979 WAGONEER - ZA W24142

Dana 44 19/30Spline 4340 FRONT AXLE kit w/ 297X, 74-79 WAGONEER, DRUM BRAKE

Part Number: SPZ-35067

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Axle Shafts for 1974-1979 WAGONEER - ZA W24146

D44 19/30spl 4340 FRONT AXLE KIT w/ 297X, 74-79 WAGONEER, DISC BRAKE

Part Number: SPZ-35068

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Axle Shafts for 1982-1983 CJ5, 1982-1986 CJ7 - ZA W24114

D30 27spl FRONT AXLE KIT, w/ 297X, 82-86 CJ JEEP (ASSM_REQ)

Part Number: SPZ-35128

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Axle Shafts ZA W24122

GM 8.5" 30spl FRONT AXLE KIT, w/ 297X, 79&UP 1/2TON TRK & BLAZER (ASSM_REQ)

Part Number: SPZ-35131

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Axle Shafts for 1971-1980 SCOUT II - ZA W24126

D44 27/30spl FRONT AXLE KIT, w/ 297X, 71-80 SCOUT (ASSM_REQ)

Part Number: SPZ-35133

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Axle Shafts for 1978-1979 BRONCO, 1976-1979 F-150 - ZA W24134

D44 19/30spl FRONT AXLE KIT w/ 297X, BRONCO & F150 (ASSM_REQ)

Part Number: SPZ-35136

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Axle Shafts for 1972-1981 CJ5, 1976-1981 CJ7 - ZA W24106

D30 27spl 4340 FRONT AXLE KIT, w/ 297X, 72-81 CJ JEEP (ASSM_REQ)

Part Number: SPZ-35162

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Master Overhaul Kits ZK DS135

Differential Rebuild Kits, USA Standard Master Overhaul kit for the Dana S135 & S150

Part Number: SPZ-37137

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 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: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK003 Chrysler 8.25 in./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-40002

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK009 Dana 44 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-40010

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 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: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 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: Today

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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: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Spartan Lockers Chrysler 8.25 Inch SL C8.25-27

Differential Carrier, Spartan Locker, Steel, 27-spline, Rear, Chrysler 8.25 in., Each

Part Number: SPZ-17037

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Spartan Lockers Dana 44 SL D44-19

D44 19spl SPARTAN LOCKER

Part Number: SPZ-17043

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2123 GM 10.5 in. (14-bolt) 5.13 Gears

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 5.13 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10836

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2147 Ford 10.5 in. 3.73 Gears

Ring and Pinion Gears,USA Standard 10.5" Ford, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10860

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2161 Dana 80 4.30 Gears

Ring and Pinion Gears,USA Standard 11.25" Dana 80, 4.30 Ratio Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10874

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2175 Dana 80 4.30 Gears

Ring and Pinion Gears,USA Standard 11.25" Dana 80, 4.30 Ratio Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10888

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today