CHEVROLET IMPALA Transmission & Drivetrain

Spartan Differential Locker, GM 8.5 in., 28-spline Axle, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: SPZ-17040

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, Chevy, Pair

Part Number: MSR-A103001

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Transmission Pan, Deep, Aluminum, Natural, 4L60, 4L60E, Each

Part Number: BMM-70260

4.13 out of 5 stars ( 15 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Automatic Transmission Shifter, Outlaw, GM, Powerglide, Each

Part Number: TCI-611323

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Gear, Ring and Pinion, 3.73:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.875 in. Ring Gear, GM 8.875 in., Set

Part Number: YGA-24123

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: AWR-HMGM30001SR

2.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 10.500 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85456

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.2 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901591

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Differential, Lock-Right, Locker, 30-Spline, GM, 8.5 in., Each

Part Number: PWT-1921-LR

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Flywheel, Billet Aluminum, 168-Tooth, External Engine Balance, 16.000 lbs., 2-Piece Rear Main Seal, SFI 1.1, Chevy, 454, Each

Part Number: RAM-2521

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Gear, Ring and Pinion, 3.23:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24493

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885488

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Gear, Ring and Pinion, EXCel, 3.55:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC355

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Ring & Pinion Gear, 3.08 Ratio, GM, 8.2 in., Set

Part Number: YGA-24141

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Differential Carrier, Spartan Locker, 30-spline, Steel, Rear, GM 8.875 in., Each

Part Number: SPZ-17032

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, Chevy, 8.875 in., Pair

Part Number: MSR-A123004

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Ring and Pinion Gear Installation Kit, Master Overhaul Kit, 17 Spline, GM 8.2 in., Kit

Part Number: YGA-14073

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Ring and Pinion Gears, EXCel, GM 7.5/7.625 in., 3.90:1 Ratio, 27-spline, Standard, for 3.23 or Numerically Higher Ratio Carrier, Chevy, GMC, Olds, Set

Part Number: RMG-GM75390

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Clutch Kit, Street Level, Organic, 1 1/8 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Kit

Part Number: MCL-75021

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900341

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 10-Spline, 10.5 in. Organic/Ceramic Disc, GM, Kit

Part Number: SUM-700928

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Automatic Transmission Pan, Deep, Aluminum, Natural, GM, 700R4, 4L60E, Each

Part Number: TCI-378000

3.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Differential, Lock-Right, Locker, 28-Spline, GM, 8.2 in., Each

Part Number: PWT-1940-LR

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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