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Full Spools and Mini Spools

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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!

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 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.

Showing In Stock Items. Show All 8 Items.

Individual Parts

Part Groups

Results 1 - 7 of 7

Motive Gear Full Spools FSD60-35H

Motive Gear Full Spools FSD60-35H

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: Today

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Estimated Ship Date: Today

Yukon Gear & Axle Full Spools YP FSD60-4-35

Yukon Gear & Axle Full Spools YP FSD60-4-35

Yukon Gear & Axle Full Spools YP FSD60-4-35

Spool, Steel, 35 Spline, Dana 60, 456:1 Ratio, Each

Part Number: YGA-32043

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Yukon Gear & Axle Full Spools YP FSD60-3-35

Yukon Gear & Axle Full Spools YP FSD60-3-35

Yukon Gear & Axle Full Spools YP FSD60-3-35

Spool, Full, Steel, 35-spline, for Models with 4.10 Gear Ratio and Down, Dana 60, Each

Part Number: YGA-32042

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Yukon Gear & Axle Full Spools YP FSD60-4-30

Yukon Gear & Axle Full Spools YP FSD60-4-30

Yukon Gear & Axle Full Spools YP FSD60-4-30

Spool, Steel, 30-Spline, Dana 60, 4.56 and up, Each

Part Number: YGA-32170

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Yukon Gear & Axle Full Spools YP FSD60-3-30

Yukon Gear & Axle Full Spools YP FSD60-3-30

Yukon Gear & Axle Full Spools YP FSD60-3-30

Spool, Steel, 30-Spline, Dana 60, 4.10 and down, Each

Part Number: YGA-32169

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

USA Standard Gear Full Spools ZP FSD60-4-35

USA Standard Gear Full Spools ZP FSD60-4-35

USA Standard Gear Full Spools ZP FSD60-4-35

USA Standard steel spool for Dana 60 with 35 spline axles, 4.56 & up

Part Number: SPZ-59018

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

USA Standard Gear Full Spools ZP FSD60-4-30

USA Standard Gear Full Spools ZP FSD60-4-30

USA Standard Gear Full Spools ZP FSD60-4-30

USA Standard steel spool for Dana 60 with 30 spline axles, 4.56 & up

Part Number: SPZ-59017

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

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