Exhibit 21.1

Subsidiaries of the Registrant

Holley Intermediate Holdings LLC

Holley Purchaser, Inc.

Holley High Performance Holdings, Inc.

High Performance Industries, Inc.

Holley Performance Products Inc.

Hot Rod Brands, Inc.

Speedshop.com, Inc.

Simpson Safety Solutions, Inc.

B&M Racing & Performance Products, Inc.

Holley Performance Products (Canada), Inc.

Simpson Performance Products, Inc.

Team Simpson Partners, Inc.

Simpson Partners, Inc.

Stilo S.r.L

Aero Wings, Inc.

Accel Performance Group, LLC

MSD, LLC

MSDP Trading Shanghai Company Ltd.

Powerteq, LLC

APR, LLC

APR Germany GP, LLC

APR Germany LLC & Co. KG