House Republican leaders are increasingly confident they have rounded up enough votes to pass a bill to repeal and replace Obamacare, despite claims by their most conservative faction that there is enough opposition to block the measure.

“I believe if the vote was right now, we would have exactly the number of votes we need to pass,” Rep. Chris Collins, R-N.Y., a member of the House whip team tasked with rounding up support for GOP legislation, told the Washington Examiner.