BUICK ROADMASTER Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

Eaton Detroit Lockers GM 8.5/8.6 Inch 187C148A

Differential, Eaton Detroit Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-187C148A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Hays Twister Full Race 3,200-3,600 Stall Torque Converter 97-1H32F

Torque Converters, Twister Full Race, 3,200-3,600 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, 4L60-E/4L65-E/4L80-E, NV3500, Chevy, GMC, Each

Part Number: HAY-97-1H32F

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Auburn Gear Select-A-Loc 30 Spline Differential GM 8.5/8.6 Inch 545004

Auburn Gear Select-A-Loc 30 Spline Differential GM 8.5/8.6 Inch 545004

Differential, Select-A-Loc, Locker, 30-Spline, Buick, Chevy 8.5 in., Each

Part Number: AUB-545004

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Hays Street 650 Clutch Conversion Kits 92-1004

Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 10-spline, 11.000 in. Sintered Metallic Disc Diameter, Chevy, Jeep

Part Number: HAY-92-1004

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

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Estimated Ship Date: Dec 30, 2025 if ordered today

Hays Twister Full Race 2,400-2,800 Stall Torque Converter 97-1H24F

Torque Converter, Twister Full Race, 2,400-2,800 RPM Stall Speed Range, 30 Spline, 9.600 in. Diameter, 11.125 BC, 4L60-E/4L65-E, Various Makes, Each

Part Number: HAY-97-1H24F

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

RAM Force 10.5 Dual Disc Clutch Kits 80-2155S

Clutch Kit, Force 10.5 Dual Disc, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Flywheel, Chevy, Small Block, Kit

Part Number: RAM-80-2155S

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

TCI Auto Automatic Transmission Drums 373935

4L60E LS INPUT/HD DRUM

Part Number: TCI-373935

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Hays Twister Full Race 2,800-3,200 Stall Torque Converter 97-1G28F

Torque Converters, Twister Full Race, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, 4L60-E/4L65-E/4L85-E, Buick, Chevy, GMC, Each

Part Number: HAY-97-1G28F

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Eaton Electronic ELocker 30 Spline Differential GM 8.6 Inch 19659-010

Differential, Posi Performance, Electric Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-19659-010

Not Yet Reviewed

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