BUICK RIVIERA - Free Shipping on Orders Over $109 at Summit Racing

Eaton Detroit Truetrac 30 Spline Differential GM 8.5/8.6 Inch 913A481

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, GM, 8.5/8.6 in., 2.73 & up, Each

Part Number: ETN-913A481

4.85 out of 5 stars ( 135 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

800 CCA Summit Racing™ Battery Pro Packs 06-0122 BCI Group 34/78

Battery, Red Top, Starting, 800 Cold Cranking Amps, Top and Side Post, BCI Group 12V, Hold Down and Cable Included, Kit

Part Number: CMB-06-0122

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

HP Tuners VCM Suite MPVI4 Credit Pro Packages M04-000-04

HP Tuner, MPVI4, Pro Feature Set, 4 Universal Credits, Kit

Part Number: HPT-M04-000-04

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Eaton Detroit Truetrac 28 Spline Differential GM 8.5 Inch 912A556

Differential, Eaton Detroit Truetrac, 28-Spline, GM, 8.5 in., Rear, Each

Part Number: ETN-912A556

4.84 out of 5 stars ( 31 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Quick Fuel Slayer Series 600 CFM 4-Barrel Carburetor SL-600-VS

Carburetor, Slayer Series, 600 cfm, Square Bore, Vacuum Secondary, Electric Choke, Polished, Each

Part Number: QFT-SL-600-VS

4.65 out of 5 stars ( 72 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

B&M Truck Megashifters 80680

Automatic Shifter, Megashifter, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-80680

4.72 out of 5 stars ( 57 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Demon Carburetion Street Demon 625 CFM 4-Barrel Carburetor 1900

Carburetor, Street Demon, 625 cfm, 4-Barrel, Square Bore/Spread Bore, Electric Choke, Aluminum Bowl, Each

Part Number: DEM-1900

4.52 out of 5 stars ( 90 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Quick Fuel Slayer Series 750 CFM 4-Barrel Carburetor SL-750-VS

Carburetor, Slayer Series, 750 cfm, Square Bore, Vacuum Secondary, Electric Choke, Polished, Each

Part Number: QFT-SL-750-VS

4.63 out of 5 stars ( 94 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

HP Tuners VCM Suite MPVI4 Credit Pro Packages M04-000-06

HP Tuner, MPVI4, Pro Feature Set, 6 Universal Credits, Kit

Part Number: HPT-M04-000-06

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Performance Fit Aluminum Radiator and Fan Combos SUM-384001-KIT1

Radiator and Fan Shroud Combo, Performance Fit, 4-Row, Aluminum, Polished, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SUM-384001-KIT1

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Plastic/Aluminum Radiators SUM-380535

2.75 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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B&M Holeshot 2,900-3,200 Stall Torque Converter 20483

Torque Converter, Holeshot, 2,900-3,200 rpm Stall Range, GM, THM350/THM400, Each

Part Number: BMM-20483

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

B&M Tork Master 2,800-3,200 Stall Torque Converter 20402

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 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Demon Carburetion Street Demon 750 CFM 4-Barrel Carburetor 1904

Carburetor, Street Demon, 750 cfm, 4-Barrel, Square Bore/Spread Bore, Electric Choke, Composite Bowl, Each

Part Number: DEM-1904

4.5 out of 5 stars ( 70 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Quick Fuel Slayer Series 450 CFM 4-Barrel Carburetor SL-450-VS

Carburetor, Slayer Series, 450 cfm, 4-barrel, Square Bore, Vacuum Secondary, Electric Choke, Tumble Polished, Each

Part Number: QFT-SL-450-VS

4.55 out of 5 stars ( 33 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Motive Gear Performance Ring and Pinion Sets G885410 GM 8.5/8.6 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885410

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Richmond Gear Ring and Pinion Sets 69-0165-1 GM 8.5/8.6 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901651

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Demon Carburetion Street Demon 750 CFM 4-Barrel Carburetor 1903

Carburetor, Street Demon, 750 cfm, 4-Barrel, Square Bore/Spread Bore, Electric Choke, Aluminum Bowl, Each

Part Number: DEM-1903

4.63 out of 5 stars ( 35 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Quick Fuel Slayer Series 450 CFM 4-Barrel Carburetor SL-450-VSTRF

Carburetor, Slayer Series, 450 cfm, Vacuum Secondary, Front Position, Tunnel Ram, 4-Barrel, Square Bore, Tumble Polished, Each

Part Number: QFT-SL-450-VSTRF

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

B&M Nitrous Holeshot 3,200-3,500 Stall Torque Converter 20484

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 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Demon Carburetion Street Demon 625 CFM 4-Barrel Carburetor 1901

Carburetor, Street Demon, 625 cfm, 4-Barrel, Square Bore/Spread Bore, Electric Choke, Composite Bowl, Each

Part Number: DEM-1901

4.61 out of 5 stars ( 193 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Quick Fuel Slayer Series 450 CFM 4-Barrel Carburetor SL-450-VSTRR

Carburetor, Slayer Series, 450 cfm, Vacuum Secondary, Rear Position, Tunnel Ram, 4-Barrel, Square Bore, Tumble Polished, Each

Part Number: QFT-SL-450-VSTRR

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

B&M Holeshot 2,300-2,500 Stall Torque Converter 20412

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 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Quick Fuel HR-Series 680 CFM 4-Barrel Carburetor HR-680-VS

Carburetor, HR-Series, Gasoline, 680 cfm, 4-Barrel, Square Bore, Vacuum Secondaries, Electric Choke, Each

Part Number: QFT-HR-680-VS

4.6 out of 5 stars ( 20 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Frostbite Performance Cooling Aluminum Radiators FB134

Radiator, Aluminum, 4-Row, Polished, Crossflow, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: FBR-FB134

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

MechMan S Series Alternators 7127320P

Alternator, S Series Alternator, 12 V, 320 amps, Polished, Serpentine Pulley, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MEH-7127320P

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

BUICK RIVIERA Parts and Accessories