BUICK GS Transmission & Drivetrain

Ring and Pinion Installation Kit, GM 8.875 in., "C" Axle, 12-Bolt, 30-Spline Pinion, Kit

Part Number: RMG-8310191

4.05 out of 5 stars ( 20 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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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

4.27 out of 5 stars ( 51 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Ring and Pinion Gears, 3.73:1 Ratio, GM, 12-Bolt Passenger Car, 3 Series, Set

Part Number: RMG-4900391

4.82 out of 5 stars ( 17 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Torque Converters, MR Series, Hard Hitting, 1.703 in. Crank Pilot Diameter, 30-spline, 9.500 in. Diameter, Race Usage, TH350, TH400, Each

Part Number: FTI-MR8082

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Dipstick with Tube, Transmission, Steel, Black, Locking, TH350, TH400, TH200, 200-4R, Each

Part Number: TCI-743860

3.76 out of 5 stars ( 54 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Torque Converter, Holeshot, 2,300-2,500 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20412

3.8 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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

Part Number: MCL-75325

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 10-Spline, 11 in. Organic/Ceramic Disc, GM, Kit

Part Number: SUM-700932

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Torque Converter, Tork Master, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20402

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Wheel Bearing, Front, Each

Part Number: TMK-SET6

4.85 out of 5 stars ( 41 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Mount, Buick, Chevy, Olds, Kit

Part Number: IST-EFKA1TKX

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch Kit, 11 in. Organic Disc, 10-spline, 1.125 in. Input, Pressure Plate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: LUK-04-049

4.81 out of 5 stars ( 16 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH400, Kit

Part Number: LOK-KD2400HT

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Transmission Dipstick, Braided Stainless Steel Housing, Black Handle, GM, TH350, TH400, Each

Part Number: LOK-XTD3350400FM

4.89 out of 5 stars ( 19 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch Kit, RXT 1200, 1.125 in. - 26-spline, Ceramic Disc, Pressure Plate, Chevy, Ford, Pontiac, Kit

Part Number: MCL-6923-07HD

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Transmission Pan, Deep, Aluminum, Natural, GM, TH250, TH350, Each

Part Number: BMM-30280

4.89 out of 5 stars ( 37 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch Kit, RST, 1 1/8 in. x 10-Spline, 10.50 in. Diameter Disc, Chevy, Small/Big Block, Kit

Part Number: MCL-6913-04

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Natural Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KD-2350U

4.52 out of 5 stars ( 33 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Torque Converter, Nitrous Holeshot, 3,200-3,500 rpm Stall, GM, THM350/THM400, Each

Part Number: BMM-20484

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Automatic Transmission Rebuild Kit, Master Racing, GM, TH400, Kit

Part Number: BMM-21041

4.2 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Transmission Pan, Stock, Aluminum, EDP Coated Black, GM TH350, Each

Part Number: MRG-9795BMRG

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Torque Converters, MR Series, 1.703 in. Crank Pilot Diameter, 30-spline, 9.500 in. Diameter, Race Usage, TH350, TH400, Each

Part Number: FTI-MR6082

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Valve Body, Performance, Full Manual, Reverse Pattern, Chevy, TH350, Each

Part Number: TCI-321115

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Transmission Bracket, Steel, Natural, Chevy TH400/TH350/TH250/200-4R/700R4/TH350C, Kit

Part Number: BMM-35498

4.83 out of 5 stars ( 60 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Wheel Bearing, Front Outer, Each

Part Number: TMK-SET2

5.0 out of 5 stars ( 26 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air