One pair of heavy duty 6 hole replacement hub cap gaskets. Manufactured from low density material that conforms well to irregular surfaces. Gaskets provide very good crush resistance and meet ASTM 104 requirements. Bolt holes = 6, bolt hole size = 5/16”, bolt circle = 4 1/2”, ID = 3 1/2”, OD = 5 1/4” Replaces: Stemco️#330-3024 SKF️#453869-8 OTR️#HG0024 Application = Stemco hub caps 4024, 4263, 4308 SKF hub caps 1612, 1326, 1711 OTR hub caps HC04024, HC34024, 74024, 84024