BUICK Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

Sonnax Thrust Bearings SBK-G10

Automatic Transmission Rebuild Components, Bearing/Race Kit, Sun/Internal, Center Support/Sun, GM, TH400/4L80-E/4L85-E, Kit

Part Number: SOX-SBK-G10

5.0 out of 5 stars ( 2 )

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Lokar Cable Operated Automatic Transmission Shifters CO350BM

Lokar Cable Operated Automatic Transmission Shifters CO350BM

Automatic Shifter, GM, TH350, 16 in. Single Bend Chrome Stick, Original Brushed Mushroom Knob, Each

Part Number: LOK-CO350BM

5.0 out of 5 stars ( 1 )

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Lokar Floor Mount Automatic Transmission Shifters FM4L80GXMB

Automatic Shifter, Floor Mounted, Detent, 16.000 in. Bench Bend Black Stick, 3/8-24 in., Black Mushroom Knob, 4L80E, Each

Part Number: LOK-FM4L80GXMB

Not Yet Reviewed

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Motive Gear 30 Spline Differential Carrier Cases GM 8.625 Inch GM8.6L

Differential Carrier, Open, GM 8.625 in., 30-Spline, Each

Part Number: MGR-GM8-6L

4.0 out of 5 stars ( 9 )

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ATI Aluminum Transmission Pans ATI203500

Transmission Pan, Deep, Filter With Extension, Aluminum, Powerglide, Kit

Part Number: ATI-203500

4.67 out of 5 stars ( 3 )

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B&M Holeshot 2,800-3,200 Stall Torque Converter 70421

Torque Converter, Holeshot, 2,800-3,200 rpm Stall Range, Chevy, 700R4, Each

Part Number: BMM-70421

Not Yet Reviewed

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American Powertrain Hydramax Master Cylinder Kits HMGM-30001G

Clutch Master Cylinder, Hydramax, Cast Aluminum, Black, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: AWR-HMGM30001SR

2.88 out of 5 stars ( 8 )

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Motive Gear Performance Ring and Pinion Sets G888390 GM 8.875 in. (12-bolt) passenger car 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 12-Bolt Passenger Car, Set

Part Number: MGR-G888390

4.5 out of 5 stars ( 2 )

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Lakewood Clutch Forks 15500

Clutch Fork, Steel, Zinc Chromate, Buick, Chevy, GMC, Oldsmobile, Pontiac, L6, V6, V8, Each

Part Number: LAK-15500

3.14 out of 5 stars ( 22 )

Estimated Ship Date: Today

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LuK Clutch 153-Tooth Flywheel 4160137100

Flywheel, Steel, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: LUK-LFW131

4.17 out of 5 stars ( 6 )

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TCI Pro Super Transmission Overhaul Kits 386800

Automatic Transmission Rebuild Kit, Pro Super, GM, 200-4R, Kit

Part Number: TCI-386800

5.0 out of 5 stars ( 1 )

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Dorman Pinion Yokes 697-500

Pinion Yoke, Differential Location, Rear, 30-spline Inner, Cast Iron, GM 8.5 in., GM 8.625 in., Each

Part Number: RNB-697-500

5.0 out of 5 stars ( 3 )

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ATP Automatic Transmission Master Repair Kits SMS-9

Master Repair Kit, Automatic Transmission, TH350, TH350C, Kit

Part Number: ATP-SMS9

4.69 out of 5 stars ( 13 )

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Lokar Case-Mount Automatic Transmission Shifters CM400BM

Automatic Shifter, Case Mounted, Detent, 16.000 in. Single Bend Chrome Stick, 3/8-24 in., Brushed Mushroom Knob, TH400, Each

Part Number: LOK-CM400BM

Not Yet Reviewed

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B&M Shift Improver Kits 70239

Transmission Upgrade Kit, Shift Improver, GM, 700R4, 4L60, Each

Part Number: BMM-70239

4.65 out of 5 stars ( 20 )

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Sonnax Pinless Accumulator Piston Kits 77998-03K

Automatic Transmission Accumulator Pistons, Pinless, Aluminum, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SOX-77998-03K

5.0 out of 5 stars ( 15 )

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TCI StreetFighter Transmissions 311190

Automatic Transmission, Forward Shift Pattern, Automatic/Manual Valve Body, Buick, Oldsmobile, Pontiac, TH350

Part Number: TCI-311190

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Moser Engineering Replacement C-Clip Axles A103003-1

Axle, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, GM F-Body, A-Body, 8.5 in., Each

Part Number: MSR-A103003-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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TransGo Performance Shift Kits SK 700

Shift Kit, Shift Improvement, without Auxiliary Valve Body, GM, 700R4, 4L60, Each

Part Number: TRG-SK700

4.0 out of 5 stars ( 4 )

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Richmond Gear Ring and Pinion Sets 69-0378-1 GM 8.875 in. (12-bolt) passenger car 4.33 Gears

Gear, Ring and Pinion, 4.33:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-6903781

Not Yet Reviewed

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Moser Engineering Replacement C-Clip Axles for 1984-1987 REGAL - A103004

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

Part Number: MSR-A103004

5.0 out of 5 stars ( 2 )

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Lokar Electronic Sport Shifters ES4L60EFXMB

Automatic Shifter, Electronic Sport Shifters, Detent, 6.000 in. Straight Black Stick, 3/8-24 in., Black Mushroom Knob, 4L60E, Each

Part Number: LOK-ES4L60EFXMB

Not Yet Reviewed

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Yukon Gear & Axle Differential Pinion Yokes YY GM12-1350-F

Differential Pinion Yoke, 1350, 30 Spline, Forged Steel, GM, 8.875 in., Each

Part Number: YGA-41069

5.0 out of 5 stars ( 1 )

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RAM Competition Pressure Plates 401

Pressure Plate, Diaphragm-Style, 10.5 in. Disc Diameter, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: RAM-401

4.33 out of 5 stars ( 3 )

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TCI Pro Super Transmission Overhaul Kits 328800

Automatic Transmission Rebuild Kit, Pro Super, GM, TH350, Kit

Part Number: TCI-328800

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ 30-Spline TH350 Transmission Rebuild Kit SUM-705000

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Today

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