Steel, IMCA-legal birdcages fit many swing arm and four-link suspensions and eliminate binding and wear on axle tubes. Available in standard, big bearing, or lightweight, small bearing versions. Small bearing birdcage will clear IMCA 5" spring coil-over kits. Weekly greasing is not necessary. Sold individually.
A-1 Racing Products Four Link Bird Cage - Lightweight Small Bearing w/ Shock Mount 13004