Performance & Replacement Transmission & Drivetrain Parts

Transmission Pan, Deep, Aluminum, Natural, Finned with Summit Logo, Case Fill, Ford, C-4, Case Fill, Each

Part Number: SME-1006

4.55 out of 5 stars ( 20 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Manual Shifter, Competition, Plus, Chevy, Pontiac, Each

Part Number: HUU-3916848

4.42 out of 5 stars ( 12 )

Estimated Ship Date: Monday 12/22/2025

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Automatic Transmission Rebuild Kit, U-Build It, Bands, 10 Clutches, Gaskets, Seals, Filter, Chevy, Powerglide, Kit

Part Number: FTI-F2547-10

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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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: Monday 12/22/2025

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Differential Cover, Cap Support, Aluminum, Black, Perfect Launch Logo, GM, 8.2 in., 8.5 in., Each

Part Number: PRO-66668

4.32 out of 5 stars ( 50 )

Estimated Ship Date: Monday 12/22/2025

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Transmission Pan, Stock, Aluminum, Polished, Finned, GM, TH400, Each

Part Number: SUM-433884

4.16 out of 5 stars ( 68 )

Estimated Ship Date: Monday 12/22/2025

Differential Cover, Aluminum, Cap Support, Drain/Filler Plugs, Bolts, Gaskets, Ford, Kit

Part Number: FMS-M-4033-G3

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/22/2025

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Front Axle Actuator, Posi-Lok, Chevy, GMC, Kit

Part Number: POS-600

4.52 out of 5 stars ( 60 )

Estimated Ship Date: Monday 12/22/2025

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Torque Converter, SB Series, 11.0 in. Diameter, 2,800 rpm Flash Stall, 4R70W, 4R75W, AODE, Lockup, Each

Part Number: FTI-SB2800DE

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/22/2025

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Transmission Pan, Stock, Aluminum, Polished, Finned, GM, 700R4, Each

Part Number: SUM-433886

4.59 out of 5 stars ( 79 )

Estimated Ship Date: Monday 12/22/2025

Hub Conversion, Manual to Automatic, Ford, Lincoln, Pair

Part Number: RCV-IWE-FD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 2, 2026 if ordered today

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Flywheel, Steel, 168-Tooth, 22 lb., Internal/External Balance, Chevy, Small Block, Big Block, Each

Part Number: MCL-460122

3.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/22/2025

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Automatic Shifter, Ford, 6R80, 6 in. Straight Chrome Stick, Original Brushed Mushroom Knob, Each

Part Number: LOK-ES6R80FM

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Automatic Transmission, 3-Speed, Ultra-Bell Bellhousing, Reverse Shift Pattern, Full Manual Valve Body, GM, TH400, Each

Part Number: FTI-TH400-45UB

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

• Core Charge $350.00
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Bellhousing Bolts, Hex, 3/8-16 in. Thread, 8740 Chromoly, Black Oxide, 1.375 in. UHL, Chevy, Kit

Part Number: ARP-129-0901

4.97 out of 5 stars ( 86 )

Estimated Ship Date: Monday 12/22/2025

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: Monday 12/22/2025

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Differential, Posi Performance, Limited Slip, 30-Spline, GM, 8.5 in., Truck, 3 Series, Each

Part Number: ETN-19559-010

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/22/2025

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Slave Cylinder, Aluminum, Black, Pull-Style, 11 3/4 in. Extended, 1 3/8 in. Stroke, Universal, Each

Part Number: WIL-260-1333

3.55 out of 5 stars ( 22 )

Estimated Ship Date: Monday 12/22/2025

Automatic Shifter, Megashifter, Chevy, Pontiac, Each

Part Number: BMM-80692

4.38 out of 5 stars ( 34 )

Estimated Ship Date: Monday 12/22/2025

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Clutch Slave Cylinders, Aluminum, Natural, Chevrolet, 6.0L, 6.2L, 7.0L, Each

Part Number: ADO-24237634

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

• Free Shipping
• $20 Summit Bucks

Clutch Kits, Twin Disc, 246mm, Cerametallic, Chromoly Flywheel, Chevrolet LS 6-bolt, 1250 lb.ft.Torque Capacity, Tremec T56 , TKO, Kit

Part Number: TIL-55-2004

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Automatic Transmission Rebuild Kit, Hi Performance, Kolene Steels, GM, 4L60E/4L70E, 30-Spline, Kit 04 and up

Part Number: SUM-705026

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

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Gear, Ring and Pinion, 3.73 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-373

4.74 out of 5 stars ( 19 )

Estimated Ship Date: Monday 12/22/2025

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Transmission Pan, Deep, Aluminum, Natural, GM, TH400, Each

Part Number: BMM-20280

4.58 out of 5 stars ( 57 )

Estimated Ship Date: Monday 12/22/2025

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Driveshaft, Rear, Balanced, Assembled, Bolt-In, One-piece, Aluminum, 3.500 in. Diameter, Ford, Mustang GT, 4.6L, Each

Part Number: FMS-M-4602-MGTA

5.0 out of 5 stars ( 16 )

Estimated Ship Date: Monday 12/22/2025

• Free Shipping