1972 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

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 )

Estimated Ship Date: Monday 1/5/2026

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Timken Differential Bearings SET45

Bearing, Differential Carrier, Kit

Part Number: TMK-SET45

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/5/2026

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RAM Muscle Car Clutch Kits 92502

Clutch Kit, Muscle Car, Organic, 1 1/16 in.- 10-Spline, 10.5 in. Disc, Ford, 289, 302, 351W, Kit

Part Number: RAM-92502

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/5/2026

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Richmond Gear Pro Gear Ring and Pinion Sets 79-0003-1 Ford 9 in. 3.60 Gears

Gear, Pro Ring and Pinion, 3.60:1 Ratio, Ford, 9 in., Set

Part Number: RMG-7900031

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Mr. Gasket Flexplate Bolt Kits 6710

Flexplate Bolts, 7/16 in.- 20 RH, .680 in. Length, Chevy, Big, Small Block V8, 4.3L V6, Set of 6

Part Number: MRG-6710

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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TCI Forged 164-Tooth Flexplate 529625

Flexplate, 164-Tooth, Internal Balance, Ford, SFI 29.1, Small Block/351WCM/400, Each

Part Number: TCI-529625

3.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/5/2026

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PRW Gold Series 157-Tooth Flexplate 1830203

Flexplate, Gold Series, 157-Tooth, Internal Engine Balance, SFI 29.1, Ford, Small Block, Large Bell, C4, Each

Part Number: PQX-1830203

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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ATI Wicked Quick Valve Bodies ATI403085CN

Automatic Transmission Valve Body, Full Manual, Billet Aluminum, Reverse, Clean Neutral, TH400, Each

Part Number: ATI-403085CN

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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USA Standard Gear Axle Shafts ZA G8.2BOP-L

Axle Shaft, 28-spline, 29.875 in. Length, Rear, GM 8.2 in., BOP Axle, Pontiac, Each

Part Number: SPZ-35060

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/5/2026

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TCI StreetFighter Valve Bodies 421100

TCI StreetFighter Valve Bodies 421100

Valve Body, Streetfighter, Automatic, Manual, Forward Pattern, Ford, C-6, Each

Part Number: TCI-421100

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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Lokar Midnight Series Flexible Braided Stainless Transmission Dipsticks XTD-3350400FM36

Transmission Dipstick, Braided Stainless Steel Housing, Black Handle, Chevy, TH350, TH400, Each

Part Number: LOK-XTD350400FM3

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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B&M Transpak Kits 30228

Transmission Upgrade Kit, Transpak, GM, TH350, TH375B, M38, Each

Part Number: BMM-30228

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Yukon Gear & Axle U-Joint Strap Kits YY UB-002

U-Joint Straps, Spicer 1310 Style, Differential Location, Kit

Part Number: YGA-41198

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Motive Gear Master Ring and Pinion Installation Kits R12CRMKT

Ring and Pinion Installation Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit

Part Number: MGR-R12CRMKT

3.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/5/2026

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Motive Gear Performance Ring and Pinion Sets BP882373 GM 8.2 in. BOP axle 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set

Part Number: MGR-BP882373

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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Timken Wheel Seals 8660S

Axle Seal, Rear Axle Shaft Size-1.399 in., Seal O.D-.2.296, Seal Width-0.460 in., Bidirectional, Each

Part Number: TMK-8660S

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/5/2026

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Advance Adapters Transfer Case Adapters for 1966-1977 BRONCO - 50-2704E

Transfer Case Adapter, Ford, AODE, 4R70W Ttransmission to 1966-77 Bronco Dana 20 Transfer Case, Kit

Part Number: ADD-50-2704E

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Yukon Gear & Axle Ring and Pinion Gears YGK2335

Ring and Pinion Gears and Installation Kit, 8.5" GM 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12626

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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The Right Stuff Axle Bearings WBK04

Axle Bearings, Green, Axle Seals, Chrysler, 8.75 in., Kit

Part Number: RSD-WBK04

4.15 out of 5 stars ( 13 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Advance Adapters Ford to Chevy Transmission Bellhousing Adapters 712588-A

Transmission Adapter, Aluminum, GM 700R4, TH350, TH400 Transmission to Ford, 289, 302, Kit

Part Number: ADD-712588-A

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Summit Racing™ Aluminum 12 Bolt GM 8.875 Inch Differential Cover SUM-730513B

Differential Cover, Aluminum, Black Powdercoated, GM, 12-Bolt 8.875 in., Passenger, Kit

Part Number: SUM-730513B

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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RAM Billet Steel 168-Tooth Flywheel 1521LW

Flywheel, Billet Steel, 168-Tooth, External Engine Balance, 25.000 lbs., 2-Piece Rear Main Seal, SFI 1.1, Chevy, 454, Each

Part Number: RAM-1521LW

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Summit Racing™ Clutch Kits SUM-700812

Clutch Kit, Organic, 1-1/8 in. Shaft, 26-Spline, 10-3/8 in. Diameter Disc, GM, Chevy, Kit

Part Number: SUM-700812

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/5/2026

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Centerforce Billet Steel 157-Tooth Flywheel 700157

Flywheel, Billet Steel, 157-Tooth, 24.2 lb., External Engine Balance, 28/50 oz., SFI 1.1, Ford, Small Block Windsor, Each

Part Number: CTF-700157

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Yukon Gear & Axle Master Overhaul Kits YK GM8.2BOP

Ring and Pinion Gear Installation Kit, Master Overhaul, 27 Spline Pinion, GM 8.2 in. BOP, Kit

Part Number: YGA-14085

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026