Exhibit 21.1

Subsidiaries

1. Holley Intermediate Holdings LLC

2. Holley Purchaser, Inc.

3. Holley High Performance Holdings, Inc.

4. High Performance Industries, Inc.

5. Holley Performance Products Inc.

6. Hot Rod Brands, Inc.

7. Speedshop.com, Inc.

8. Simpson Safety Solutions, Inc.

9. B&M Racing & Performance Products, Inc.

10. Drake Automotive Group, LLC

11. Holley Performance Products, Inc.

12. Proforged, LLC

13. Simpson Performance Products, Inc.

14. Team Simpson Partners, Inc.

15. Simpson Partners, Inc.

16. Stilo S.r.L

17. Aero Wings, Inc.

18. Hampton Accel Corp.

19. Accel Performance Group, LLC

20. MSD, LLC

21. MSDP Trading Shanghai Company Ltd.

22. Powerteq, LLC

23. 128 Combustion, Inc.

24. APR, LLC

25. APR Germany GP, LLC

26. APR Germany LLC & Co. KG