The trainer hailed his team's second half performance against Marco Kurz's men, reserving special praise for his players' efforts to keep a clean sheet
Mario Gomez opened the scoring for Bayern at the Allianz Arena early on and Thomas Muller made it two just past the half hour mark to secure three important points in the race for the title.
Heynckes praised his team's defensive discipline and was delighted by the fact that his men kept another clean sheet.
"We have confirmed our upward trend. It was a deserved win and we showed flashes of top-quality football," the 66-year-old is quoted as saying on Bayern Munich's official website. "In the first half it was not very easy, because Kaiserslautern defended very well. I am especially pleased with our defensive play. We kept yet another clean sheet. I am delighted."
Bayern Munich are currently second in the Bundesliga table, two points behind leaders Borussia Dortmund.