The 1977-21 was a Late Model Sportsman national championship event held at Langley Speedway on June 11, 1977. Eventual season champ Butch Lindley won for the second time in as many weeks.
| Identifier (URI) | Rank |
|---|---|
| dbkwik:resource/lA2hC0W_DNdpCU71enG5Vw== | 5.88129e-14 |