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Mini Spool, GM 7.5 in. 10-Bolt, Open Carrier, Equal Windows, 28-Spline, Each
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Estimated Ship Date from GA, TX: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
78-7528-1
Part Type:
Product Line:
Summit Racing Part Number:
RMG-78-7528-1
UPC:
698231828281
Manufacturer of Axle:
GM
Cover Bolts:
10
Axle Shaft Spline Quantity:
28
Spool Material:
Steel
C-Clip Eliminator Kit Required:
No
Quantity:
Sold individually.
Notes:
Fits open carrier models with equal sized windows with 28-spline axles only.
Richmond Gear Mini-Spools
Replace the internal components of your differential with Richmond Gear mini-spools. They lock your axles together for even power distribution to both driven wheels. They're CAD/CAM-designed, CNC-machined from 4140 alloy-steel forgings, and heat-treated to aircraft standards. Mini spools are recommended for dirt track use only.Richmond Gear has been supplying racers for more than 80 years.
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Some parts are not legal for use in California or other states with similar laws / regulations
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