Home / Center Aero 400, Non-Locking, Black, A4SB Zoom Center Aero 400, Non-Locking, Black, A4SB Be the first to review this product SKU: A4SB Non-locking center Aero 400 cap, A4SB. This cap is anodized black and fits Aero 400 style flanges. Newton P/N: CA-AA-012 $95.00 Qty: Add to Cart | Add to Compare Product Description Product's Review Product Tags Product Description Details Center Aero 400. Center piece only, anodized black. Newton P/N: CA-AA-012 Product's Review Write Your Own Review Only registered users can write reviews. Please, log in or register Product Tags Add Your Tags: Add Tags Use spaces to separate tags. Use single quotes (') for phrases. CMS tab