Drivers: Ken Rachner, Chris Rachner
Description: International
Division(s): HSSPerformance Summary: 2021 R3 Heavy Super Stock
Final Standings Position: 2nd
Wins: 0 / Top Fives: 7 / Top Tens: 7
| Ellsworth, WI | 3rd place | 28 points | Standings: 28/3rd |
| Decorah, IA | 5th place | 27 points | Standings: 55/3rd |
| Monticello, IA | 3rd place | 29 points | Standings: 84/3rd |
| Anoka, MN S1 | 2nd place | 29 points | Standings: 113/2nd |
| Houston, MN | 2nd place | 29 points | Standings: 142/2nd |
| Norwalk, WI | 4th place | 28 points | Standings: 170/2nd |
| Ridgeland, WI | 2nd place | 29 points | Standings: 199/2nd |
| 7 Appearances | Avg. Finish: 3.0 | Total Points: 199 | Standings: 2nd |