Performance & Replacement Transmission & Drivetrain Parts

Differential Cover, Aluminum, Black Powdercoated, GM, 8.875 in., Passenger Car, Kit

Part Number: PRO-69502

4.53 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Automatic Transmission Rebuild Kit, Kolene Steels, Ford, Lincoln, Mercury, C-4, 26-Spline, Kit

Part Number: SUM-705029

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.11:1 Ratio, Ford, 9 in., Set

Part Number: RMG-6901791

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Differential Cover, Aluminum, Natural, Summit Logo, Bearing Cap Support, GM, 7.5 in., 7.625 in., 10-Bolt, Each

Part Number: SME-8510400

4.89 out of 5 stars ( 19 )

Estimated Ship Date: Oct 24, 2025 if ordered today

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Wiring Harness, Jeep JL/JT Z-Locker Controller Harness, for Use with Aftermarket E-Lockers or Air Lockers, Jeep, Each

Part Number: ZAU-Z-LKR-CTLR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Shifter Cable, Performance, 4 ft. Length, Morse Style, Eyelet/Threaded Ends, Red, Each

Part Number: BMM-80604

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Today

Throwout Bearing, Buick, Chevy, GMC, Oldsmobile, Pontiac, L6, V6, V8, Each

Part Number: CTF-N1716

4.83 out of 5 stars ( 46 )

Estimated Ship Date: Today

Transmission Dipstick, Locking, Anodized Brite Handle, 3 in. Case Mount, TH350, TH400, Each

Part Number: LOK-1209144

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Clutch Kit, Organic, 1-1/8 in. Shaft, 26-Spline, 11 in. Diameter Disc, Chevy, Pontiac, Kit

Part Number: SUM-700830

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Bellhousing, QuickTime, Steel, SFI Approved, Chevy, LS to Manual Transmission, Kit

Part Number: QTI-RM-6036

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Transmission Pan, Deep, Aluminum, Natural, 4L60, 4L60E, Each

Part Number: BMM-70260

4.13 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Manual Transmission Shifter, STX Shifter Front Shift Conversion Kit, Tremec TKX, Kit

Part Number: IST-TRA-32236

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential Carrier, Traction-Lok Style, 31-spline, Steel, Rear, Chrysler 9.25 in., Dodge, Ram, Each

Part Number: SDH-80754

4.95 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, Chevy, 8.5 in.,Pair

Part Number: MSR-A102803

4.77 out of 5 stars ( 22 )

Estimated Ship Date: Today

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Flywheel Cast Iron 168 tooth GM Truck LS Gen III, 6 Bolt

Part Number: SXR-NFW1050

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Flywheel, Steel, 157-tooth, 17.500 lbs., External Engine Balance, SFI 1.1, Ford, Small Block Windsor, Each

Part Number: MCL-463150

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, Ford, AOD, AODE, 4R70W, Each

Part Number: LOK-TD-3AODFM

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, Chevy, 8.5 in., Pair

Part Number: MSR-A103003

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Wheel Hub and Bearing Assembly, Front, Cadillac, Chevy, GMC, Each

Part Number: MOG-515036

4.87 out of 5 stars ( 78 )

Estimated Ship Date: Today

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• $20.00 Summit Bucks

Clutch Backing Plate, 4L60, 700R4, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-74140-01K

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Torque Converter, Night Stalker, 12 in. Diameter, Lockup, 1,600-2,200 Stall, GM, 700R4, 200-4R, Each

Part Number: APE-48401

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Automatic Transmission Kickdown Cable, Braided Stainless Steel Jacket, Carburetor, Ford, C-4, Kit

Part Number: SUM-200038

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Today

Wheel Hub and Bearing Assembly, Front, Chevy, GMC, Hummer, Each

Part Number: TMK-SP580310

4.61 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Clutch Kits, Street Dual Disc, 1.375 in. - 10-spline, Organic Disc, 12.250 in. Diameter, Pressure Plate, Flywheel, Dodge, 5.9L Diesel, Kit

Part Number: VAI-S0007

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Flywheel, Billet Steel, 168-Tooth, 31.2 lb., Internal Engine Balance, SFI 1.1, Chevy, Big Block, Small Block, Each

Part Number: CTF-700120

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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