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Trick Flow Specialties

Trick Flow® Differential Covers

4.82 out of 5 stars 186 Customer Reviews

Trick Flow® heavy-duty differential covers feature cast aluminum construction and extreme-duty bearing cap support studs for uncompromised gear protection. Jam nuts, support studs, stainless steel ARP bolts, 3/8 in. magnetic drain plug, and a gasket are included. The covers are available for fitment on a variety of Ford and GM differential case designs.

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Trick Flow® 10 Bolt GM 8.5/8.6 Inch Differential Cover TFS-8510300

Made in the USA Trick Flow® 10 Bolt GM 8.5/8.6 Inch Differential Cover TFS-8510300

Trick Flow® 10 Bolt GM 8.5/8.6 Inch Differential Cover TFS-8510300

Differential Cover, Bearing Cap Supports, Aluminum, GM 10-Bolt, 8.5 in., 8.6 in., Rear Axle, Each

Part Number: TFS-8510300

4.75 out of 5 stars ( 44 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Yukon Gear & Axle 10 Bolt GM 8.5/8.6 Inch Differential Cover YP C3-GM8.5-R

Yukon Gear & Axle 10 Bolt GM 8.5/8.6 Inch Differential Cover YP C3-GM8.5-R

1 out of 5 stars ( 1 )

Estimated Ship Date: Feb 25, 2026

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