Transmissions & Transmission Parts

Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, TH350, TH400, Each

Part Number: HUP-GM20

4.21 out of 5 stars ( 39 )

Estimated Ship Date: Friday 1/2/2026

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Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Buick, Olds, Pontiac, TH400, RWD, Each

Part Number: SUM-700401-1

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Clutch Kit, Dyna Max Organic, 10-spline, Organic Disc, Pressure Plate, Flywheel, Ford, 7.3L Diesel, Kit

Part Number: SBB-1944-60KHD

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Friday 1/2/2026

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Clutch Kit, Dual Friction, 1 1/8 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, GM, Kit

Part Number: CTF-DF148552

4.75 out of 5 stars ( 20 )

Estimated Ship Date: Friday 1/2/2026

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Automatic Transmission, TH400 Level 4, Remanufactured, 3 Gears, Deep Pan, Torque Converter, Chevrolet, THM400, Kit

Part Number: FTI-TH400-4K51

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Manual Transmission, Magnum-F, 6 Gears, 1.125 in. - 26-spline, 31-spline Output, 2.97:1 First Gear Ratio, Tremec Magnum, Chevrolet, Pontiac, Each

Part Number: REM-TUET16363

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Torque Converter, Night Stalker, 12 in. Diameter, Lockup, 2,200-2,800 Stall, GM, 700R4 , Each

Part Number: APE-48442

3.94 out of 5 stars ( 17 )

Estimated Ship Date: Friday 1/2/2026

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Flexplate, Heavy-Duty, Steel, Internal Balance, 168 Tooth, SFI 29.1, Chevy, Each

Part Number: HAY-10-030

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Friday 1/2/2026

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Torque Converter Lock-Up Kit, Lock-Up Control Module, Manual Override Switch, GM, THM700-R4/4L60/MD8, Kit

Part Number: BTM-5107000

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Friday 1/2/2026

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Bellhousing Adapter, Conversion, Cummins to GM, Billet Aluminum, 141-tooth Flexplate, 13 in. Diameter Torque Converter, Kit

Part Number: SUM-CSUM7738

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Clutch Kit, Centerforce II, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Flywheel, Jeep, 3.6L, Kit

Part Number: CTF-KCFT379176

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Friday 1/2/2026

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Automatic Transmission Controller, Atomic, Chevy, Ford, Lincoln, Mercury, Each

Part Number: MSD-2760

3.74 out of 5 stars ( 19 )

Estimated Ship Date: Friday 1/2/2026

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Torque Converter Bolts, 10mm x 1.5, Hex, 8740 Chromoly, 200-4R, 700R4, 4L60, 4L60E, 4L80E Set of 3

Part Number: ARP-230-7304

4.86 out of 5 stars ( 80 )

Estimated Ship Date: Friday 1/2/2026

Flexplate, Gold Series, Chromoly, 168-Tooth, Internal Engine Balance, SFI 29.1, TH350, 700R4, 4L60E, Chevy, LS, Each

Part Number: PQX-1834600

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Friday 1/2/2026

GM NON LOCK-UP TH350, TH400 2800-3000 STALL

Part Number: FTI-SR3082

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Automatic Transmission Rebuild Kit, Master Racing, GM, 4L60E, Kit

Part Number: TCI-379110

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Friday 1/2/2026

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Automatic Transmission Kickdown Cables, 700R4 Adjustable TV Cables, Black Plastic Jacket, GM, 4L60/700R4, Each

Part Number: FTI-F7012

4.58 out of 5 stars ( 19 )

Estimated Ship Date: Friday 1/2/2026

Automatic Transmission Rebuild Kit, U-Build It, Steels, 4 Clutches, Gaskets, Seals, Filter, Chevy, TH400, Kit

Part Number: FTI-F4019-4

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Clutch Kit, Dyna Max Organic, 10-Spline, 1.375 in. Diameter Shaft, 13 in. Dual Disc, Organic, Cummins Diesel, Kit

Part Number: SBB-SDD3250-6ORG

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Separator Plate, Engine to Bellhousing, Aluminum, Mill Finish, 0.060 in. Thick, Ford, SBF, 164-Tooth Flexplate, Each

Part Number: SUM-700602

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Friday 1/2/2026

Transmission Bellhousing, New, Aluminum, 6L80, 6L90, Each

Part Number: ADO-24248031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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• $20 Summit Bucks

Clutch Kit, RST, 1 1/16 in. x 10-Spline, 9.687 in. Diameter Disc, Ford, 302, 351W, Kit

Part Number: MCL-6913-03

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Friday 1/2/2026

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Transmission Dipstick, Braided Stainless Steel, Firewall Mount, Black Tube, Chevy, GMC, 6L80E, 6L90E, Each

Part Number: LOK-XTD36L80FM36

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Friday 1/2/2026

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Flexplate and Hub Extension, 168-Tooth, LS Chevy Engine to GM Transmission, Each

Part Number: ADD-712500A

4.74 out of 5 stars ( 42 )

Estimated Ship Date: Friday 1/2/2026

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4L80E INTERMEDIATE / MAIN SHAFT / Aermet

Part Number: SOX-34672-05

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

• Free Shipping
• $10 Summit Bucks