Fortpro Brake Drum 16.5 x 7 in. Lightweight Composite Steel, 20% Ligther - Replaces 3600AX

This brake drum is designed for heavy-duty vehicles, featuring a composite construction that makes it 20% lighter than traditional cast iron drums, meeting FMVSS 121 requirements.

• The description claims the product is 20% lighter than traditional cast iron drums.
• The description claims the product meets and exceeds FMVSS 121 requirements.