The GM 10-bolt is the axle most likely to be behind a car making more power than it left with, and the stamped cover is the part doing the least to help. This aluminum replacement clamps two support bolts onto the carrier bearing caps and stiffens the whole housing, and it comes with the gasket and Grade 8 hardware rather than expecting you to reuse the old ones.

Proform 141-695 Reinforced Differential Cover Features:

• Fits GM 10-bolt rear axles.
• Reinforces the rear axle housing case in heavy torque situations.
• Two bolts stabilise the carrier bearing main caps.
• Fluid capacity plug and magnetic drain plug fitted.
• Raised and precision milled Chevy bowtie emblem.
• Lightweight aluminum casting with a black crinkle powder coated finish.
• Cork gasket included.
• Ten Grade 8 mounting bolts included.
• Sold individually.