Performance & Replacement Transmission & Drivetrain Parts

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.

Showing In Stock Items. Show All 290 Items.

Not Showing Customizable Items. View Customizable Items.

Individual Parts

Part Groups

Results 1 - 25 of 119

USA Standard Gear Master Overhaul Kits for 2015-2023 F-150, MUSTANG - ZK F8.8-D

Differential Rebuild Kits, USA Standard Master Overhaul kit for '15 & up Mustang and F150

Part Number: SPZ-37153

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 1, 2026 if ordered today

...Loading

Estimated Ship Date: May 1, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Motive Gear Master Ring and Pinion Installation Kits R8.8RMK

4 out of 5 stars ( 10 )

Estimated Ship Date: Today

...Loading

Hughes Performance Street Master 2,500 Stall Torque Converter 15-25L

Hughes Performance Street Master 2,500 Stall Torque Converter 15-25L

Torque Converter, 2,500 Stall, Torqueflite A518 O/D Lockup, 23-Spline, Each

Part Number: HUP-15-25L

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

Call to Order

Hughes Performance Pro-Street 30 Series 3,000 Stall Torque Converter 15-30

Torque Converter, Pro-Street 30 Series, 3,000 rpm Stall, Torqueflite A518 O/D Non-Lockup, 24-Spline, Each

Part Number: HUP-15-30

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

Call to Order

Hughes Performance Street Master 2,000 Stall Torque Converter 15-20L

Torque Converter, 2,000 Stall, Torqueflite A518/A618 O/D Lockup, 23-Spline, Each

Part Number: HUP-15-20L

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

Call to Order

Zumbrota Remanufactured Manual Transmissions for 2001-2002 RAM 2500, RAM 3500 - RMT4500D-15

Reman Manual Transmission, NV4500, 01-02 Dodge 5.9L gas, 2WD, 5 spd, iron case, aluminum top cover

Part Number: ZUD-RMT4500D-15

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 28, 2026 if ordered today

Call to Order

McLeod Aluminum 164-Tooth Flywheel 563200

Flywheel, Aluminum, 164-Tooth, 15 lbs., Neutral Balance w/28 & 50 oz. Balance, Ford, 289, 302, 351W, Each

Part Number: MCL-563200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Strange Lightweight Pro Race Spools D1567

Spool, Lightweight, Pro Race, 35-spline, Steel, Ford 8.8 in., Each

Part Number: STR-D1567

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

USA Standard Gear Manual Transmission Synchros ZMMUNWT297-15

Manual Trans Parts, Manual Transmission Synchro Sleeve

Part Number: SPZ-S0012

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 30, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG F8.8-355-15 Ford Super 8.8 in. 3.55 Gears

Ring and Pinion Gears, 3.55:1 Ratio, 31-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: YGA-24672

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

FAG USA Wheel Bearings WB61063K

Wheel Bearing Kit Various Makes 03-15

Part Number: FWB-WB61063K

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

...Loading

Estimated Ship Date: May 22, 2026 if ordered today

FAG USA Wheel Bearings 103134

Tapered Roller Bearing Set Various Makes 56-15

Part Number: FWB-103134

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

...Loading

Estimated Ship Date: May 22, 2026 if ordered today

GMB Wheel Bearing and Hub Assemblies 720-0039

Wheel Bearing Assembly - DODGE-JOURNEY (17-09); RAM-PROMASTER 1500, PROMASTER 2500, PROMASTER 3500 (15-14)

Part Number: GMB-720-0039

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

...Loading

Estimated Ship Date: May 14, 2026 if ordered today

FAG Bearings Timing Cover Seals SS2832

Seal Hyundai,Kia 06-15

Part Number: FWB-SS2832

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

...Loading

Estimated Ship Date: May 22, 2026 if ordered today

USA Standard Gear Driveshafts for 1996-1997 RAM 2500 - ZDS9871

Fits '94-'98 Ram 1500 front with 47RE AT& 241 LD transfer case. 15 1/2" weld to weld.

Part Number: SPZ-44600

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG F8.8-456-15 Ford 8.8 in. 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 31-spline, Ford 8.8 in., Ford 8.8 in. IRS, Set

Part Number: YGA-24690

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

...Loading

Estimated Ship Date: May 15, 2026 if ordered today

Strange S/T Bearing Kits D1590

Spool Bearings, Bearing Races Included, 3.250 in. Outside Bearing Diameter, Ford, 9 in., Set

Part Number: STR-D1590

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

FAG USA Wheel Bearing and Hub Assemblies for 2013-2018 AVALON, 2012-2017 CAMRY - 102376

Hub Assembly Toyota:Avalon,Camry 12-15

Part Number: FWB-102376

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

...Loading

Estimated Ship Date: May 22, 2026 if ordered today

GMB Wheel Bearing and Hub Assemblies 720-3100

Wheel Bearing Assembly - DODGE-JOURNEY (17-09); RAM-PROMASTER 1500, PROMASTER 2500, PROMASTER 3500 (15-14)

Part Number: GMB-720-3100

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

...Loading

Estimated Ship Date: May 14, 2026 if ordered today

Strange Lightweight Pro Race Spools D1516

Spool, Full Size, Steel, 31-Spline, 10-Bolt, Ford 9 in., Each

Part Number: STR-D1516

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Strange Lightweight Pro Race Spools D1548

Spool, Full Size, Steel, 35-Spline, 10-Bolt, Dana 60, For 4.10-6.50 Richmond and 4.56-7.17 Ratio Dana/Spicer Gear Sets, Each

Part Number: STR-D1548

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Strange S/T Bearing Kits D1582

Spool Bearings, Bearing Races Included, GM 12-Bolt, Ford 8.8 in., Set

Part Number: STR-D1582

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Strange Lightweight Pro Race Spools D1558

Spool, Full Size, Steel, 31-Spline, 10-Bolt, Ford 8.8 in., Each

Part Number: STR-D1558

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Strange Lightweight Pro Race Spools D1549

Spool, Full Size, Steel, 33-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: STR-D1549

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Strange Standard Series Spools D1518

Spool, Full Size, Steel, 35-Spline, 10-Bolt, Ford 9 in., Each

Part Number: STR-D1518

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Strange Lightweight Pro Race Spools D1555

Spool, Full Size, Steel, 35-Spline, 10-Bolt, Ford 9 in., Each

Part Number: STR-D1555

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Page 1 of 5
Next