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 D1567

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

...Loading

Estimated Ship Date: Tomorrow

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: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Alloy USA Mini Spools GM14/MSPL

Mini Spool, 30-spline, Steel, GM 10.5 in. (14-bolt), Each

Part Number: ALY-GM14MSPL

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

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

...Loading

Estimated Ship Date: Tomorrow

Motive Gear Mini Spools MS88-31

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

Part Number: MGR-MS88-31

3.7 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Strange Lightweight Pro Race Spools D2000

Spool, Full Size, Steel, 40-Spline, 10-Bolt, Ford 9 in., Each

Part Number: STR-D2000

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

...Loading

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

...Loading

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

...Loading

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

...Loading

Estimated Ship Date: Tomorrow

Summit Racing™ Mini Spools SUM-730120

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

Part Number: SUM-730120

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

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

...Loading

Estimated Ship Date: Tomorrow

Moser Engineering Full Spools 5S12333

Spool, Full Size, Steel, 33-Spline, 3 Series, 12-Bolt, GM 8.875 in., Passenger Car, Each

Part Number: MSR-5S1233-3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

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

...Loading

Estimated Ship Date: Tomorrow

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

...Loading

Estimated Ship Date: Tomorrow

Summit Racing™ Mini Spools SUM-730075

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

Part Number: SUM-730075

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

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

...Loading

Estimated Ship Date: Tomorrow

Motive Gear Full Spools FSD60-35H

Spool, Full, Steel, 35-spline, 10-bolt, Dana 60, Each

Part Number: MGR-FSD60-35H

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Strange Lightweight Pro Race Spools D2002

Spool, Full Size, Steel, 40-Spline, 10-Bolt, Ford 9 in., Each

Part Number: STR-D-2002

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Strange Lightweight Pro Race Spools D1547

Spool, Full Size, Steel, 35-Spline, 10-Bolt, Dana 60, Each

Part Number: STR-D1547

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 19, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 19, 2025 if ordered today

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

...Loading

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

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

...Loading

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

...Loading

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

...Loading

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

...Loading

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

...Loading

Estimated Ship Date: Tomorrow

Page 1 of 12
Next