1981 Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

TCI Automatic Transmission Bellhousings 513300

TCI Automatic Transmission Bellhousings 513300

Bellhousing, Aluminum, Natural, Ford, Small Block, Cleveland, C-4, Case Fill, Each

Part Number: TCI-513300

4.1 out of 5 stars ( 10 )

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Yukon Gear & Axle C-Clips YSPCC-009

Axle C-Clip, Steel, Natural, GM 7.5 in., GM 7.6 in., GM 8.0 in., Each

Part Number: YGA-33082

5.0 out of 5 stars ( 6 )

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Yukon Gear & Axle Differential Pinion Yokes YY D60-1350-F

Differential Pinion Yoke, 1350, 29 Spline, Forged Steel, Dana 60, Dana 70, Each

Part Number: YGA-41029

5.0 out of 5 stars ( 1 )

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Motive Gear Ring and Pinion Sets GM12-373A GM 8.875 in. (12-bolt) truck 3.73 Gears

Ring and Pinion-GM 8.875

Part Number: MGR-GM12-373A

Not Yet Reviewed

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Timken Wheel Seals 9406S

Wheel Bearing Seal, Front Inner, Cadillac, Chevy, Each

Part Number: TMK-9406S

5.0 out of 5 stars ( 5 )

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Standard Motor Neutral and Backup Safety Switches LS-201

Neutral Safety and Backup Light Switch, Replacement, Steel/Plastic, Chrysler, Dodge, Plymouth, Each

Part Number: SMP-LS201

4.86 out of 5 stars ( 7 )

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Centerforce Aluminum 164-Tooth Flywheel 901250

Flywheel, Billet Aluminum, 164-Tooth, Internal Engine Balance, SFI 1.1, Ford, V8, Each

Part Number: CTF-901250

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

TCI PRO-X Transmission Overflow Canisters 518005

Automatic Transmission Overflow Tank, Pro-X, Aluminum, Black, 1 qt. Capacity, Ford C4, Each

Part Number: TCI-518005

4.5 out of 5 stars ( 4 )

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SVL Drivetrain Spider Gear Kits 2023882

Differential Carrier Rebuild Kits and Spider Gears, GM 8.875 in. (12-bolt) Car/Truck, Side Gears, Rear, Limited Slip, Eaton, Posi, 30-spline, Kit

Part Number: SVL-2023882

4.0 out of 5 stars ( 5 )

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Hurst Limited-Slip 30 Spline Differential GM 8.875 Inch (12-bolt), truck 02-125

Differential, Posi Performance, Limited Slip, 30-Spline, 3.73 Gear Ratios, GM, 12-Bolt, Each

Part Number: HUU-02-125

5.0 out of 5 stars ( 1 )

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Hays Pivot Ball Studs 84-119

Clutch Fork Pivot Ball, Fixed, Steel, Natural, GM, Each

Part Number: HAY-84-119

3.0 out of 5 stars ( 6 )

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2229 GM 8.875 in. (12-bolt) truck 4.11 Gears

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

Part Number: SPZ-10684

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Yukon Gear & Axle 10 Bolt Ford 8.8 Inch Differential Cover YHCC-F8.8

Differential Cover, Hardcore, Nodular Iron, Black Powdercoated, Ford 8.8 in., Each

Part Number: YGA-29107

Not Yet Reviewed

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Powertrax Lock-Right Lockers Chrysler 8.25 Inch 1230-LR

Differential, Lock-Right, Locker, 27-Spline, Mopar, 8.25 in., Each

Part Number: PWT-1230-LR

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

ARP Bellhousing Bolt Kits 144-0901

Bellhousing Bolts, Hex, Steel, Black Oxide, Chrysler, Dodge, Plymouth, Small Block, Kit

Part Number: ARP-144-0901

4.1 out of 5 stars ( 10 )

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McLeod Aluminum 153-Tooth Flywheel 560300

Flywheel, Aluminum, 12.0 lbs. 153-Tooth, Internal/External Engine Balance, Chevy, Each

Part Number: MCL-560300

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

RAM Billet Aluminum 153-Tooth Flywheel 2511

5 out of 5 stars ( 7 )

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Motive Gear Open Differential Internal Kits 8127092

Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L

Part Number: MGR-8127092

Not Yet Reviewed

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Timken Wheel Bearing and Hub Assemblies 513013

Wheel Hub/Bearing Assembly, Each

Part Number: TMK-513013

5.0 out of 5 stars ( 2 )

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Hays Street 450 Clutch Conversion Kits 91-1002

Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 10.500 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1002

5.0 out of 5 stars ( 2 )

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Motive Gear Mini Spools MS10-28

Mini Spool, Steel, 28-Spline, GM 8.5 in., Each

Part Number: MGR-MS10-28

5.0 out of 5 stars ( 4 )

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Eaton Detroit Truetrac 28 Spline Differential GM 8.5 Inch 912A557

Differential, Eaton Detroit Truetrac, 28-Spline, GM, 8.5 in., Truck, Front, Each

Part Number: ETN-912A557

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

J.W. Performance Short Overhaul Kits 60090

Transmission Gaskets, Transmission Seals, Ford, C-6, Kit

Part Number: JPT-60090

5.0 out of 5 stars ( 1 )

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OMIX-ADA Transfer Case Shifter Boots for 1980-1983 CJ5, 1980-1986 CJ7, 1981-1985 SCRAMBLER - 18606.06

Shifter Boot, Transfer Case, Twin Stick Type, Oval Base, Rubber, Black, Jeep, Each

Part Number: OMX-1860606

4.6 out of 5 stars ( 5 )

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SVL Drivetrain Ring and Pinion Gear Sets 2020737 Ford 8.8 in. 4.10 Gears

Ring and Pinion Gears, Ford 8.8 in., 4.10:1 Ratio, 30-spline, Standard Rotation, Ford 8.8 in., Set

Part Number: SVL-2020737

5.0 out of 5 stars ( 1 )

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Yukon Gear & Axle 4340 Chromoly Axles YA W26002

Yukon front 4340 Chromoly axle kit for '77-'91 GM, Dana 60 with 35 splines

Part Number: YGA-21396

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today