Burnout Brands (Hidden Harbor) Acquires Stake in BD Engine Brake (BD Diesel)

Burnout Brands Acquires Brian Tooley Racing

December 5, 2025

Automotive

Burnout Brands, a performance automotive platform and portfolio company of Hidden Harbor Capital Partners, has acquired Brian Tooley Racing, a Kentucky-based manufacturer of high-performance camshafts, valvetrain components and intake manifold engineering. The acquisition brings BTR into Burnout Brands' portfolio (which includes Monster Transmission, BD Diesel and D&J Precision Machine) to expand product development, manufacturing capabilities and aftermarket market reach.

Burnout Brands (HHCP Portfolio Company) Acquires D&J Precision Machine

January 21, 2025

Automotive

Burnout Brands, a Hidden Harbor Capital Partners portfolio platform, has acquired D&J Precision Machine, a precision machining specialist serving the diesel and automotive aftermarket. The add-on deal is intended to expand Burnout Brands’ production capabilities and service offerings for its BD Diesel and Monster Transmission brands.

Hidden Harbor Capital Partners Acquires Dayco, LLC

September 30, 2022

Manufacturing

Hidden Harbor Capital Partners, a Boca Raton-based private equity firm, has acquired Dayco, LLC, a global manufacturer of engine drive systems and aftermarket products. Financial terms were not disclosed; the transaction closed in Q3 2022 and positions Dayco for a next phase of growth under Hidden Harbor's ownership.

Gridiron Capital Acquires Magneto & Diesel (M&D) from Warren Equity Partners

September 1, 2022

Industrial Services

Gridiron Capital has acquired Magneto & Diesel Holdings, LLC (M&D), a value-added distributor and remanufacturer of diesel engine aftermarket parts based in Humble, Texas, from Warren Equity Partners. The investment positions M&D for accelerated organic and acquisitional growth across the fragmented diesel engine aftermarket serving trucking, agriculture, marine and infrastructure end markets.

Hidden Harbor Forms Burnout Brands; Acquires Monster Transmission and Thor Convertors

May 26, 2022

Automotive

Hidden Harbor Capital Partners (via newly formed platform Burnout Brands) has completed the acquisition of Monster Transmission LLC and Thor Convertors LLC, aftermarket automotive remanufacturers and distributors based in Brooksville, Florida. The transaction positions Burnout Brands as a platform for scaling performance auto aftermarket businesses; existing owners of Monster Transmission will retain an ownership stake and management will continue to run day-to-day operations.

Fullbay Acquires Dieselmatic Digital Inc.

April 5, 2022

Marketing & Advertising

Fullbay, the Phoenix-based shop management software provider for heavy-duty repair shops, has acquired Dieselmatic Digital Inc., a British Columbia–based digital marketing agency focused on diesel repair shops. The acquisition adds demand-generation and digital marketing capabilities to Fullbay's platform to drive more business to shop customers; terms were not disclosed.