Part Number: R5221
Application
GM 12 Bolt Trucks
Features
Thick Aluminum Casting
• Provides structural support to housing
• Improves gear life by reducing housing flex
Jack Screws
• Preloads main caps
• Raises the threshold where deflection would cause breakage
Back Brace Provision
• Allows use of optional back brace kit
• Back brace kit drastically reduces axle tube flex
Fill & Drain Plugs
• Simplifies fluid changes
• Makes cover removal unnecessary
Related Components
LPW axle tube brace kit……….. R5209
Installation kit……………………… R5211T
Chevy 12 bolt car cover….. R5207 / R5206
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