BUICK Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

Allstar Performance 9 in. Non-Floater Offset Housing Kits ALL68759

Axel Housing, Steel, Natural, Ford 9 in., Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: AAF-ALL68759

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits GM7.5IK

Ring and Pinion Installation Kit, Super Kit, GM, 7.5 in., Kit

Part Number: MGR-GM7-5IK

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets 12BC456 GM 8.875 in. (12-bolt) passenger car 4.56 Gears

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC456

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

National Bearing Pinion Bearing Races M88010

Bearing Race, Steel, Each

Part Number: NTL-M88010

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM75355TK GM 7.5/7.625 in. 3.55 Gears

Ring and Pinion Kit

Part Number: RMG-GM75355TK

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

ACDelco GM Genuine Parts Intermediate Axle Shafts 20899365

Axle Shafts, GM Genuine Parts Intermediate Axle Shafts, Steel, Front, Buick, Chevrolet, GMC, Saturn, Each

Part Number: ADO-20899365

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

SVL Drivetrain Ring and Pinion Gear Sets 2023890 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Differential Ring and Pinion; GM 12 Bolt 8.875 - Thin Gear - 3.73 Ratio

Part Number: SVL-2023890

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Eaton Detroit Lockers GM 7.5 Inch 162C58A

Differential, Eaton Detroit Locker, 26-Spline, GM, 7.5 in., Each

Part Number: ETN-162C58A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Motive Gear Differential Pinion Shims 1102

Pinion Shim Pack

Part Number: MGR-1102

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Yukon Gear & Axle Bearing Kits BK GM8.2BOP

Ring and Pinion Gear Installation Kit, Bearing Overhaul, 25 Spline, GM 8.2 in. BOP, Kit

Part Number: YGA-11066

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

ACDelco 10 Bolt GM Differential Cover 12479377

Differential Cover, Steel, Natural, Chevrolet, GMC, Isuzu, Truck, Kit

Part Number: ADO-12479377

3.67 out of 5 stars ( 3 )

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Powertrax Grip LS Traction Systems GM 8.875 Inch (12-bolt) LS241230

Differential, Grip LS Traction System, 30-Spline, GM, 8.875 in., 4 Series Carrier, Each

Part Number: PWT-LS241230

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Motive Gear Differential Pinion Gear Thrust Washers 3880141

WASHER PIN GR 12BLT 8 7/8

Part Number: MGR-3880141

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Powertrax Grip LS Traction Systems GM 7.5/7.625 Inch LS247528

Differential, Grip LS Traction System, 28-Spline, GM, 7.5 in., 7.6 in., Each

Part Number: PWT-LS247528

Not Yet Reviewed

Estimated Ship Date: Today

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Motive Gear Ring Gear Spacers 075050

Ring Gear Spacer, GM 7.5 in. Ring Gear, Hardware Included, Each

Part Number: MGR-075050

4.06 out of 5 stars ( 17 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Allstar Performance Ring Gear Spacers ALL70100

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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SVL Drivetrain Products Ring and Pinion Gears 10004627

Differential Ring and Pinion; GM 8.2 - 3.36 Ratio

Part Number: SVL-10004627

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Powertrax Replacement Active Spacers 624004SDG2

Spacer, Replacement, Active Spacer, Each

Part Number: PWT-624004SDG2

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Yukon Gear & Axle Bearing Kits BK GM8.5

Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-11067

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.875 Inch (12-bolt) YDGGM12P-3-33-1

Dura Grip Positraction Carrier, Traction-Loc, GM 8.75 in., 33 Spline, 3.08 to 3.90 Ratio, Each

Part Number: YGA-26012

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Positraction 33 Spline Differential Carriers GM 8.875 Inch (12-bolt) SUM-730948

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Motive Gear Basic Ring and Pinion Gear Installation Kits GM12IKC

Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit

Part Number: MGR-GM12IKC

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Yukon Gear & Axle Master Overhaul Kits YK GM7.5-A

Installation Kit, Master Overhaul, GM 7.5 in., Kit

Part Number: YGA-14076

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Powertrax Grip Pro Traction Systems GM 8.5 Inch GT201028

Differential, Grip Pro Traction System, 28-Spline, GM 8.5 in., Each

Part Number: PWT-GT201028

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Powertrax No-Slip Traction Systems GM 7.5 Inch 9207752605

Differential, No-Slip Traction System, 26-Spline, GM, 7.5 in., Each

Part Number: PWT-92-0775-2605

3.5 out of 5 stars ( 4 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Yukon Gear & Axle Ring Gear Bolts YSPBLT-016

Ring Gear Bolt, Hex Head, 3/8-24 in. Thread Size, Steel, Natural, GM 8.2 in., Each

Part Number: YGA-33046

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Motive Gear Differential Pinion Shims 1104

Differential Shims, Pinion, Steel, Kit

Part Number: MGR-1104

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Estimated Ship Date: Today