8x16x5 Flanged Revolution (F688-RSZ) by Avid Racing Concepts is a high quality steel/chrome bearing. Our bearings have been tested and proven by many racers. Check your manual for the correct size for your vehicle if you are not certain.
METRIC: 8mm (Inner) x 16mm (Outer) x 5mm (Width)
STANDARD: 0.31496" (Inner) x 0.62992" (Outer) x 0.19685" (Width)