Performance Transmission & Drivetrain at Summit Racing

Richmond Gear EXCel Ring and Pinion Sets GM105373 GM 10.5 in. (14-bolt) 3.73 Gears

Ring and Pinion Gears, EXCel, 3.73:1 Ratio, 30-spline, Standard Rotation, GM 10.5 in., Chevy, GMC, Rear, Set

Part Number: RMG-GM105373

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Richmond Gear EXCel OEM Replacement Axle Shafts 92-25148

Axle Shaft, OEM Replacement, 33-Spline, 33.125 in. Length, Chevy, GMC, 9.5 in., Rear, Each

Part Number: RMG-92-25148

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D44-354 Dana 44 3.54 Gears

Ring and Pinion Gears, 3.54:1 Ratio, 10-bolt, 26-spline, Standard Gear Rotation, Dana 44, Set

Part Number: SPZ-36039

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets D44354 Dana 44 3.54 Gears

Ring and Pinion Kit

Part Number: RMG-D44354

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2006 GM 8.5 in. 3.42 Gears

Ring and Pinion Gears,USA Standard 8.5" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.781" Carrier Bearing Journal

Part Number: SPZ-10717

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Yukon Gear & Axle Spider Gear Kits YPKGM14T-S-30

Spider Gear Kit, Open Differential, GM 10.5 in., 30 Spline, Kit

Part Number: YGA-16044

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM82411 GM 8.2 in. 4.11 Gears

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

Part Number: RMG-GM82411

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G885308 GM 8.5/8.6 in. 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Allstar Performance Ring and Pinion Gear Sets ALL70120 GM 8.5/8.6 in. 3.08 Gears

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets D60-456X Dana 60 4.56 Gears

Ring and Pinion Gears, Thick Ring Gear, 4.56:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: MGR-D60-456X

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Motive Gear Ring and Pinion Sets D70-373EXP Dana 70/70-HD/70-U 3.73 Gears

Ring and Pinion Gears, Ring and Pinion, 3.73:1 Ratio, Dana 70/70-HD/70-U, Set

Part Number: MGR-D70-373EXP

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

ARB Air Locker 35 Spline Differential Dana 70/80 RD172

Differential Carrier, Air Locker, Nodular Iron, Kit

Part Number: ARB-RD172

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Silver Sport Hydraulic Clutch Master and Slave Kits for 1975-1984 K10, 1973-1974 K10 PICKUP - HGK1034WD

Hydraulic Clutch Kit 1973 1984 Chevy K10 with Tremec TR-4050

Part Number: IST-HGK1034WD

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Silver Sport Hydraulic Clutch Master Cylinder Kits for 1967-1972 C10 PICKUP, K10 PICKUP - HGC102MK

Hydraulic Clutch Master Cylinder Kit 1967 1972 Chevy C/K Trucks

Part Number: IST-HGC102MK

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Silver Sport Hydraulic Clutch Master and Slave Kits for 1967-1969 CAMARO, FIREBIRD - HGF1MAG

Hydraulic Clutch Kit 1967 1969 Camaro Firebird with Tremec Magnum

Part Number: IST-HGF1MAG

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

RAM Concept 10.5 Dual-Disc Metallic Clutch Kits 50-2120N

RAM Concept 10.5 Dual-Disc Metallic Clutch Kits 50-2120N

Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 10-spline, Metallic Disc, Pressure Plate, Chevy, Small Block, Kit

Part Number: RAM-50-2120N

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

McLeod RXT Street Twin Clutch Kits 6921-04

5 out of 5 stars ( 3 )

Estimated Ship Date: Today

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American Powertrain White Lightning Shifters SHWL-10100SR2X

Shifter, White Lightning, Short Throw, Billet Aluminum, Tremec TKX 5-Speed, 2.250 in. Offset, Each

Part Number: AWR-S0003

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

American Powertrain White Lightning Shifters SHWL-20100SR0

Shifter, White Lightning, Short Throw, Billet Aluminum, Magnum T-56, Zero Offset, Kit

Part Number: AWR-SHWL20100SR0

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

American Powertrain White Lightning Shifters SHWL-20100SR1

Shifter, White Lightning, Short Throw, Billet Aluminum, Magnum T-56, 1.000 in. Offset, Kit

Part Number: AWR-SHWL20100SR1

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

RAM Billet Steel 153-Tooth Flywheel 1510-12

Flywheel, Billet Steel, 153-Tooth, Internal Engine Balance, 12.500 lbs., 2-Piece Rear Main Seal, SFI 1.1, Chevy, V8, Each

Part Number: RAM-1510-12

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

RAM Pro Street Dual Disc Clutches 60-2125NS

Clutch Kit, Pro Street Dual Disc, 1.125 in. - 26-spline, Metallic Disc, Pressure Plate, Flywheel, Chevy, Kit

Part Number: RAM-60-2125NS

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

RAM Pro Street Dual Disc Clutches 60-2125S

Clutch Kit, Pro Street Dual Disc, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Flywheel, Chevy, Kit

Part Number: RAM-60-2125S

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Hays Twister Full Race 3,200-3,600 Stall Torque Converter 97-1D32F

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

Part Number: HAY-97-1D32F

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

RAM 300 Series Clutch Discs 310M

Clutch Disc, Organic, 1 1/8 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Chevy, GMC/Pontiac, Each

Part Number: RAM-310M

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Hays Twister Full Race 4,200-4,500 Stall Torque Converter 97-1B42F

Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.60 in. Diameter, 10.750 in. Bolt Circle, THM350, Chevy, Each

Part Number: HAY-97-1B42F

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Hays Classic Conversion Clutch Kits 83-1100

Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 10.5 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1100

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Performance & Replacement Transmission & Drivetrain Parts