The EK Replacement O-Ring - 102 x 1.5 is used on many EK products including

-EK-FB KIT GA X58 - Gigabyte
-EK-FB KIT GA X58 - Acetal - Gigabyte
-EK-FB KIT GA X58 (UD7) - Nickel
-EK-FB KIT GA X58 (UD7) - Acetal+Nickel
-EK-FB KIT GA X58A (UD7 rev2.0) - Nickel
-EK-FB KIT GA X58A (UD7 rev2.0) - Ac.+Ni.
-EK-FB GA 990FXA UD7 - EN (Nickel)
-EK-FB GA 990FXA UD7 - Ac. + EN (Ni.)
-EK-FC7870 - Nickel
-EK-FC7870 - Acetal+Nickel
-Full listing below





Measurements:
Inner Diameter (I.D.): 102mm
Thickness (W):1.5mm