Calaga, R. JACoW Geneva, Switzerland 978-3-95450-191-5 10.18429/JACoW-SRF2017-THXA03 English 695-699 THXA03 ion cavity luminosity cryomodule HOM Contribution to a conference proceedings 2018 2018-01 https://doi.org/10.18429/JACoW-SRF2017-THXA03 http://jacow.org/srf2017/papers/thxa03.pdf As a first step towards the realization of crab crossing for HL-LHC, two superconducting crab cavities are foreseen to be tested with proton beams for the first time in the SPS. The progress on the cavity fabrication, RF test results, cryomodule development and integration into the SPS are presented. Some aspects of the beam tests with crab cavities in the SPS are outlined.