A goal on the stroke of half-time sealed all three points for the West Midlands outfit, who will clinch the title if they defeat AFC Fylde next week.
Ben Johnson and Mackenzie Burdass were booked during a full bloodied second half at the Jakemans Community Stadium 3G.
Boston (4-2-2-2): Charlie Wilkinson; Bailey Dilley, Sam Harris, Owen Sheriff, Zane Millar; Mackenzie Burdass, Finlay Armond; Ben Johnson, Jack Waddington; Elliot Foster, Krisztian Gagyi. Subs (used): Logan Tate, Han Stevens, (unused): Taylor Jaine.
Referee: Michael Brader.