Key notes: The Wabam Dirt Kings Tour opens a doubleheader weekend with Saturday’s $4,800-to-win Diamond 48 at 141 Speedway. … The event honors the life and legacy of “Diamond” Jim Letizia for his 40 years in racing, many of which spent behind the wheel of the familiar No. D7 Dirt Late Model. Letizia also had a large presence as a local businessman, owning Diamond Jim’s Motorcars auto sales and Diamond Jim’s Steakhouse. … Seven-time Dirt Kings Tour champ Nick Anvelink of Bonduel, Wis., is a four-time series winner at 141, including 2023’s Diamond 45 event, earning more than $7,000. … Brett Swedberg of Shawano, Wis., won last year’s $4,700 Diamond 47 at 141. … Taylor Scheffler of Waukesha, Wis., topped 2021’s Diamond 43 at Wilmot (Wis.) Raceway after winning 2019’s $1,500 Dirt Kings visit to 141. … Justin Ritchie of New London, Wis., won 2019’s Diamond 41 there, worth $4,100. … Jared Siefert of Luxemburg, Wis., won 2018’s inaugural Diamond 40 event, collecting $4,000. … A fan voted as wearing the best retro racing shirt will receive a $50 bar tab. … Modifieds, stock cars, sport mods, street stocks and sport compacts are on the undercard. … Gates open at 3 p.m. with racing at 6. … Watch live on FloRacing. … Practice was Thursday night.

Who to watch: Nick Anvelink of Bonduel, Wis., eyes his second career Diamond triumph and fifth Dirt Kings victory at 141.

Points chase: Before 141: 1. Turk Letizia (50); 2. Todd Frank (48); 3. Joel Bennett (46); 4. Troy Springborn (44); 5. Andy Karl (42).

Expected entrants: Nick Anvelink, Jesse Glenz, Brett Swedberg, Justin Ritchie, Turk Letizia, Troy Springborn, Todd Frank, Joel Bennett, Andy Karl, Terry Casey, Brad Mueller, Jayden Schmidt, Taylor Scheffler, Gunner Frank, Jared Schmidt, Lukas Postl, Bill Edler, Chris Oertel and others.

Next series race: May 31, Angell Park Speedway (Sun Prairie, WI) $1,500