Featherstone Indoor Bowling Club finished top of Yorkshire League Division One.
They needed to win their final game against Redcar IBC by at least 10-4 to make certain of top spot and they achieved that exact margin of victory.
Featherstone IBC A were in outstanding form against North Cave IB in over 55s Division One.
Featherstone dominated from the start as they stormed to a 14-0 win.
Featherstone players excelled in the Yorkshire finals on Sunday.
K Earnshaw was an unlucky loser in the under 25s final. He lost in the extra end of a tie breaker.
Mark Hughes went one better, defeating S Thompson from North Cave in the singles final. J Picken won the over 60s final.
J Dudding, D Cowsill, J Normanton and J Whiteley beat a team from Scarborough in the fours final.