Summit Racing Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Aluminum 10 Bolt GM 8.5/8.6 Inch Differential Cover SUM-730508

Differential Cover, Aluminum, Polished, GM, 8.5 in., 8.6 in., 10-Bolt, Kit

Part Number: SUM-730508

3.81 out of 5 stars ( 16 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Direct-Fit Axle Shafts for 1990-1992 CAMARO, FIREBIRD - SUM-700118

Axles, Direct Fit, 1541H Steel, 28-Spline, Chevy, Pontiac, 7.625 in., Kit

Part Number: SUM-700118

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Ring and Pinion Sets SUM-740802 Ford 8 in. 3.80 Gears

Gear, Ring and Pinion, 3.80:1 Ratio, Ford, 8 in., Set

Part Number: SUM-740802

4.8 out of 5 stars ( 15 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Full Spools SUM-G7811

Spool, Full Size, Steel, 31-Spline, 10-Bolt, Ford 9 in., (strip & track only), Each

Part Number: SUM-G7811

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Direct-Fit Axle Shafts for 1994-1998 MUSTANG - SUM-700126

Axles, Direct Fit, 1541H Steel, 28-Spline, Ford, 8.8 in., 5 x 4.50 in. Bolt Pattern, Kit

Part Number: SUM-700126

4.57 out of 5 stars ( 14 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Ring and Pinion Sets SUM-740904 Ford 9 in. 4.33 Gears

Gear, Ring and Pinion, 4.33:1 Ratio, Ford, 9 in., Set

Part Number: SUM-740904

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Ring and Pinion Sets SUM-741012 GM 7.5/7.625 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., Set

Part Number: SUM-741012

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Ring and Pinion Sets SUM-748801 Ford 8.8 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, Ford, 8.8 in., Set

Part Number: SUM-748801

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Street-Strip Performance Clutch Kits SUM-700930

Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 26-Spline, 11 in. Organic/Ceramic Disc, GM, Kit

Part Number: SUM-700930

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Positraction 30 Spline Differential Carriers GM 8.875 Inch (12-bolt), truck SUM-730956

Differential Carrier, Positraction, Nodular Iron, GM 8.875 in. Truck, 3.73 Up 4 series, 30-spline, Rear, Each

Part Number: SUM-730956

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Chrome 12 Bolt GM 8.875 Inch Differential Cover SUM-730305

Differential Cover, Steel, Chrome, GM, 12-Bolt, Passenger Car, Kit

Part Number: SUM-730305

4.29 out of 5 stars ( 17 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Basic Ring and Pinion Installation Kits SUM-G7917K

Installation Kit, Ring and Pinion, Basic, GM, 8.875 in., Kit

Part Number: SUM-G7917K

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Chrome 10 Bolt GM 8.2/8.5 Inch Differential Cover SUM-730304

Differential Cover, Steel, Chrome, GM, 8.5 in., 10-Bolt, Kit

Part Number: SUM-730304

4.22 out of 5 stars ( 55 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Ring and Pinion Sets SUM-741016 GM 7.5/7.625 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., Set

Part Number: SUM-741016

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Mini Spools SUM-730120

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

Part Number: SUM-730120

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Circle Track Ring and Pinion Gears SUM-CTF9700LW Ford 9 in. 7.00 Gears

Ring and Pinion Gears, Circle Track, Ford 9 in., 7.00:1 Ratio, 28-Spline Pinion, Set

Part Number: SUM-CTF9700LW

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Street-Strip Performance Clutch Kits SUM-700934

Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 26-Spline, 10.5 in. Organic/Ceramic Disc, GM, Kit

Part Number: SUM-700934

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Circle Track Ring and Pinion Gears SUM-CTF9683LW Ford 9 in. 6.83 Gears

Ring and Pinion Gears, Circle Track, Ford 9 in., 6.83:1 Ratio, 28-Spline Pinion, Set

Part Number: SUM-CTF9683LW

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Aluminum 10 Bolt Dana 44 Differential Cover SUM-730502

Differential Cover, Aluminum, Polished, Dana 44, Kit

Part Number: SUM-730502

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Basic Ring and Pinion Installation Kits SUM-G7915K

Installation Kit, Ring and Pinion, Basic, Ford, 9 in., Kit

Part Number: SUM-G7915K

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Aluminum 14 Bolt GM 10.5 Inch Differential Cover SUM-730505B

Differential Cover, Aluminum, Black Powdercoated, GM, 14-Bolt, 10.5 in. Diameter Ring Gear, Kit

Part Number: SUM-730505B

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Housing End T-Bolts SUM-910304

Axle Housing End Fasteners, T-Bolts, Black, 3/8-24 in. Thread, Grade 5, Ford 8 in., Ford 9 in., Set of 8

Part Number: SUM-910304

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Chrome 12 Bolt GM 8.875 Inch Differential Cover SUM-730306

Differential Cover, Steel, Chrome, GM, 12-Bolt, Truck, Kit

Part Number: SUM-730306

4.12 out of 5 stars ( 49 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ 9 in. Ford Grand National Rear-End Assemblies for 1978-1987 REGAL, MONTE CARLO, 1980-1981 CUTLASS - SUM-CSUMCT006

Rear End Assembly, Grand National, Ford 9 in., 31-Spline Axles, 5 x 4.75 in. Pattern, G-Body Mounts, Kit

Part Number: SUM-CSUMCT006

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Ring and Pinion Sets SUM-748802 Ford 8.8 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, Ford, 8.8 in., Set

Part Number: SUM-748802

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025