BUICK GRAN SPORT Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

B&M Nitrous Holeshot 3,400-3,800 Stall Torque Converter 20482

Torque Converter, Nitrous Holeshot,3.400 3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20482

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

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Hughes Performance Billet 3,500 Stall Torque Converter GM35BILLET

Not Yet Reviewed

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TransGo Automatic Transmission Rebuild Components 400 RK

Specialty Components, TH400 Reverse Cushion Kit

Part Number: TRG-400RK

Not Yet Reviewed

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National Bearing Pinion Bearings M88048

Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: NTL-M88048

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Hays Twister Full Race 4,200-4,500 Stall Torque Converter 97-1D42F

Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D42F

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Richmond Gear Ring and Pinion Sets 69-0306-1 GM 8.875 in. (12-bolt) passenger car 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-6903061

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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ATP Automatic Transmission Inline Filter Kits JX-150

Transmission Filter, Inline, Hose Barbs, fits 5/16 in. Lines, 2 Hoses, 4 Clamps, Kit

Part Number: ATP-JX150

5.0 out of 5 stars ( 2 )

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Hays Twister Full Race 3,600-4,200 Stall Torque Converter 97-1D36F

Torque Converters, Twister Full Race, 3,600-4,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D36F

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

TCI Thrust Washer Kits 243600

TCI Thrust Washer Kits 243600

Kit Thrust Washers GM TH400

Part Number: TCI-243600

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Powertrax Grip Pro Traction Systems GM 8.875 Inch (12-bolt) GT231230

Differential, Grip Pro Traction System, 30-Spline, GM 8.875 in., 12-Bolt Car, Each

Part Number: PWT-GT231230

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Auburn Gear Grip-N-Loc 30 Spline Differential GM 8.875 Inch (12-bolt) 546033

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ACDelco GM Genuine Parts Wheel Bearings 19312416

Wheel Bearing, GM Genuine Part, 0.750 in. Bore Diameter, Steel, 1.781 in. O.D., AMC, Buick, Chevrolet, Chrysler, Ford, GMC, Mercedes-Benz, Olds, Each

Part Number: ADO-A2

5.0 out of 5 stars ( 1 )

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ATP Automatic Transmission Dipstick Tube Seals SO-33

Transmission Fluid Dipstick Components, Dipstick Tube Seal, Rubber, 0.68 in. I.D., 0.87 in. O.D., GM, Each

Part Number: ATP-SO33

Not Yet Reviewed

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Currie 9 in. Crate Rear End Assemblies CR-GA135TWAB

Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GA135TWAB

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GA137TEBB

Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GA137TEBB

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GA141TEBB

Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 4.11 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GA141TEBB

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Auto Metal Direct Clutch Linkage Components W-686B

Bellcrank Seals, Clutch Linkage Components, Felt, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: AMD-W-686B

4.0 out of 5 stars ( 1 )

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FTI Performance MR Series 2,800-3,200 Stall Torque Converter MR3082

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-MR3082

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Hays Street/Strip Clutch Kits 85-113

Clutch, Street/Strip, General Motors, V6/L6, Each

Part Number: HAY-85-113

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

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Centerforce II Clutch Kits KCFT355216

5 out of 5 stars ( 6 )

Estimated Ship Date: Today

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McLeod 600 Series Clutch Discs 260671

Clutch Disc, 600 Series, 1.125 in. - 26-spline, Ceramic, 11.00 in. Diameter, Drag Race, Street/Strip, V8, Each

Part Number: MCL-260671

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Auto Metal Direct Clutch Linkage Components W-686A

Bellcrank Bushing Clips, Clutch Linkage Components, Buick, Chevy, Oldsmobile, Pontiac, Set of 4

Part Number: AMD-W-686A

5.0 out of 5 stars ( 4 )

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Richmond Gear Mini-Spools 78-1230-1

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-78-1230-1

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

RESTOPARTS® Supplied Clutch Linkage Adjusting Rods CH20297

Clutch Adjuster Rodt, Chevy, Buick, Olds, Pontiac, A-Body, Each

Part Number: OPG-CH20297

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PRW Pressure Plate Fasteners 1050101

Pressure Plate Bolts, 12 Point, 4135 Chromoly, Black Oxide, Chevy, Big, Small Block, Kit

Part Number: PQX-1050101

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Richmond Gear Differential Carrier Bearing Shim Kits 38-0007-1

Carrier Shims, Ford 8.8 in., GM 12-Bolt Truck, GM 9.3 in. C-Axle, Kit

Part Number: RMG-3800071

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Currie 9 in. Rear-End Housing Assemblies CE-GMA6466X

Axle Assembly, 9 in. Alloy Steel, 1541H Alloy Steel Axles, 31 Spline Axles, GM, Each

Part Number: CUR-CE-GMA6466X

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

McLeod 1300 Series Hydraulic Throwout Bearings 1301-1

Throwout Bearing, 1300 Series Hydraulic, Self-aligning, Kit

Part Number: MCL-1301-1

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today