Total Seal CR2090-5: Classic Race Piston Ring Set Bore Size: 4.255"
Classic Race Piston Ring Set Bore Size: 4.255" Top Ring: 5/64" Second Ring: 5/64" Oil Ring: 3/16"
Classic Race Piston Ring Set Bore Size: 4.255" Top Ring: 5/64" Second Ring: 5/64" Oil Ring: 3/16"