Performance & Replacement Transmission & Drivetrain Parts

Clutch Kit, Organic, 1-1/8 in. Shaft, 10-Spline, 11 in. Diameter Disc, GM, Chevy, Kit

Part Number: SUM-700802

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Monday 12/22/2025

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Transmission Fluid Dipsticks, Midnight Series Flexible Braided Stainless, Firewall Mount, Case Entry, Black Tube, Black Handle, Chevy, 4L80E, Each

Part Number: LOK-XTD34L80FM36

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/22/2025

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Shifter Installation Kit, Competition Plus, Muncie, M-22, 453, Chevy, Pontiac, Kit

Part Number: HUU-3737834

4.88 out of 5 stars ( 26 )

Estimated Ship Date: Monday 12/22/2025

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Differential Cover, Aluminum, Natural, GM, 8.5/8.2 in., Kit

Part Number: MSR-7107

4.65 out of 5 stars ( 102 )

Estimated Ship Date: Monday 12/22/2025

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Yoke, Slip, 32 Spline, Chromoly, Spicer 1350, 6.37 in. Length, Borg Warner/GM/Muncie/Saginaw, Each

Part Number: SOX-T332431CBHP

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/22/2025

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• $10 Summit Bucks

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: Mar 2, 2026 if ordered today

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• Special Order

Throwout Bearing, Hydraulic, GM, Tremec TKO, Tremec TKX, Each

Part Number: RAM-78131

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/22/2025

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Bellhousing, Quick Time, Ford, Small Block, Cleveland, T5, 3550, TKO, Kit

Part Number: QTI-RM-6060

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/22/2025

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Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, 3.92:1 and Up Only, Dana 44, Each

Part Number: ETN-913A590

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/22/2025

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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: Monday 12/22/2025

Flywheel, Nodular Iron, 166-Tooth, Internal Balance, Pontiac, Each

Part Number: SUM-700090

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/22/2025

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Clutch Kit, Street Extreme, 1.125 in. - 26-spline, Ceramic Disc, Pressure Plate, Chevy, Pontiac, Kit

Part Number: MCL-75357

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Automatic Transmission Case Bushing, Thrust Bearing, Two 0.010 in. Shims, Two 0.015 in. Shims, GM, 4L80E, 4L85E, TH400, Kit

Part Number: SOX-34006-SPB

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 12/22/2025

• $10 Summit Bucks

Automatic Transmission Rebuild Kit, HP Standard Steels, GM, TH350, Non-Lockup, 30-Spline, Kit

Part Number: SUM-705020-XK

3.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/22/2025

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Axle Conversion, Rear, 5 x 5.00 in. Bolt Circle, Chevy, Pair

Part Number: CLP-6369RAC-5

4.56 out of 5 stars ( 18 )

Estimated Ship Date: Monday 12/22/2025

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Transmission Pan Kit, Deep Type, Drain Plug, A319 Aluminum, Natural, Finned with Logo, Ford C-6, Each

Part Number: TFS-1003

5.0 out of 5 stars ( 26 )

Estimated Ship Date: Monday 12/22/2025

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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

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/22/2025

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Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, 4L80E, Each

Part Number: LOK-TD34L80FM

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/22/2025

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Flywheel, Billet Steel, 166-Tooth, Internal Engine Balance, 35.000 lbs., SFI 1.1, Pontiac, V8, Each

Part Number: RAM-1557

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/22/2025

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Transmission Pan, Deep, Aluminum, Natural, Finned with Summit Logo, Chrysler, Torqueflite A-904, Each

Part Number: SME-1010

4.95 out of 5 stars ( 20 )

Estimated Ship Date: Monday 12/22/2025

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Flywheel, 166-tooth, Internal/External Engine Balance, Steel, Pontiac, Each

Part Number: MCL-462101

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/22/2025

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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: Monday 12/22/2025

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Automatic Shifter, GM, 700R4, 16 in. Single Bend Chrome Stick, Original Brushed Mushroom Knob, Each

Part Number: LOK-CO700BM

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Differential, Eaton Detroit Truetrac, Limited Slip, 28-Spline, Ford, 9 in., Each

Part Number: ETN-912A587

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/22/2025

• Free Shipping

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: Monday 12/22/2025

• Free Shipping