We assess Luxembourg-based auxiliary components group Alison LuxCo S.a.r.l.'s (Alison's) business risk profile as "weak" and its financial risk profile as "highly leveraged." Through Alison, private equity firm Triton is raising €430 million of debt to finance its proposed takeover of the company from Alstom S.A. We are assigning our preliminary 'B' long-term rating to Alison. The stable outlook reflects our opinion that Alison should continue to generate positive free operating cash flow over 2015-2016. On May 29, 2014, Standard&Poor's Ratings Services assigned its preliminary 'B' long-term corporate credit rating to Luxembourg-based auxiliary components business Alison LuxCo S.a.r.l. (Alison). The outlook is stable. At the same time, we assigned: Our preliminary 'B' issue rating to the proposed first-lien