Full Spools and Mini Spools

You don’t want to be a one-tire fryer at the track, and welds can weaken your axles—full spools and mini spools are the stronger way to lock your axles together...

You don’t want to be a one-tire fryer at the track, and welds can weaken your axles—full spools and mini spools are the stronger way to lock your axles together for maximum traction!

Spools (also called full spools) replace your differential carrier and lock the left and right axles together. There are no moving parts, they add support to the ring gear, and they can save unsprung weight.

Mini spools fit inside an existing open differential, replacing the side and spider gears. They’re usually less expensive, but aren’t as strong as full spools.

Top Brands

For maximum traction, shop for spools and...

You don’t want to be a one-tire fryer at the track, and welds can weaken your axles—full spools and mini spools are the stronger way to lock your axles together for maximum traction!

Mini spools fit inside an existing open differential, replacing the side and spider gears. They’re usually less expensive, but aren’t as strong as full spools.

Top Brands

For maximum traction, shop for spools and mini spools at Summit Racing Equipment—find your axle size below. Summit carries trusted name brands like Strange Engineering, Yukon Gear, Dana Spicer, Motive Gear, Moser, Allstar, and more.

Individual Parts

Part Groups

Results 1 - 25 of 277

Strange Lightweight Pro Race Spools D1558

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: Tomorrow

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Summit Racing™ Mini Spools SUM-730085

Spool, Mini, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: SUM-730085

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Motive Gear Mini Spools MS7.5-26

Spool, Mini, Steel, 26-Spline, 10-Bolt, GM 7.5 in., Each

Part Number: MGR-MS75-26

4.79 out of 5 stars ( 24 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Motive Gear Mini Spools MS10-28

Mini Spool, Steel, 28-Spline, GM 8.5 in., Each

Part Number: MGR-MS10-28

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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: Tomorrow

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Estimated Ship Date: Tomorrow

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: Tomorrow

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Estimated Ship Date: Tomorrow

Motive Gear Full Spools FS10-28

Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: MGR-FS10-28

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Motive Gear Full Spools FS9-31LW

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

Part Number: MGR-FS9-31LW

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Richmond Gear Mini-Spools 78-7526-1

Spool, Mini, Steel, 26-Spline, 10-Bolt, GM 7.5 in., Each

Part Number: RMG-78-7526-1

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Motive Gear Mini Spools MS7.5-28

Spool, Mini, Steel, 28-Spline, GM 7.625 in., Each

Part Number: MGR-MS75-28

4.15 out of 5 stars ( 20 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Motive Gear Mini Spools MS88-28

Spool, Mini, Steel, 28-Spline, 10-Bolt, Ford 8.8 in., Each

Part Number: MGR-MS88-28

1.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Yukon Gear & Axle Mini Spools YP MINSGM8.5-30

Spool, Mini, Steel, 30-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32233

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Motive Gear Mini Spools MS12C

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

Part Number: MGR-MS12C

3.38 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Richmond Gear Mini-Spools 78-7528-1

Mini Spool, GM 7.5 in. 10-Bolt, Open Carrier, Equal Windows, 28-Spline, Each

Part Number: RMG-78-7528-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Ultralight Spools SUM-G7810LW

Spool, Ultralight, Steel, 28-spline, Ford 9 in., Each

Part Number: SUM-G7810LW

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Motive Gear Full Spools FS8.8-31

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

Part Number: MGR-FS8-8-31

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Spicer Drivetrain Products Performance Full Spools 2023397

Spool, Performance, Full, Steel, 30-spline, Dana 44, Each

Part Number: SDH-2023397

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Trail Gear Spools and Mini Spools 304187-1-KIT

Spools and Mini Spools, FJ80 Spool Locker

Part Number: TGI-304187-1-KIT

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

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Estimated Ship Date: Sep 5, 2025 if ordered 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: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Ultralight Spools SUM-G7811LW

Spool, Ultralight, Steel, 31-spline, Ford 9 in., Each

Part Number: SUM-G7811LW

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Full Spools SUM-G7810

Spool, Full Size, Steel, 28-Spline, Ford 9 in., (strip & track only),Each

Part Number: SUM-G7810

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Moser Engineering Full Spools 5S9F35

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

Part Number: MSR-5S9F35

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

PEM Racing Quick-Change Full Spools QCFSA31

Spool, Fullsize, Aluminum, 31-spline, 2.032 in. Journal, PEM Quick Change, Each

Part Number: PE2-QCFSA31

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Strange Standard Series Spools D1518

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

Part Number: STR-D1518

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Yukon Gear & Axle Full Spools YP FSM20-3-29

Spool, Steel, 29-Spline, AMC Model 20, 3.08 and up, Each

Part Number: YGA-32049

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 5, 2025 if ordered today

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Estimated Ship Date: Sep 5, 2025 if ordered today

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