Holley Inc. is a designer, manufacturer and marketer of high‐performance automotive products for the enthusiast market. Through its portfolio of well‐known brands, the company develops fuel delivery systems, intake manifolds, ignition components, nitrous oxide systems, digital controls and other engine‐dress accessories tailored to both street and competition applications. Holley’s products are sold through a network of domestic and international distributors, retailers and directly to professional race teams and hobbyists.
The company’s product offerings span mechanical and electronic fuel injection, carburetion, engine management, add‐on power systems and calibration tools. Key brands in Holley’s family include Holley® Performance Products, MSD® Ignition, NOS® Nitrous Systems, Diablosport® and FiTech® Fuel Injection, each targeting distinct segments of the performance aftermarket. Holley also provides engineering services, custom calibrations and technical support to customers seeking turnkey solutions for drag racing, road course competition and street‐performance builds.
Founded in 1903 by George and Earl Holley, the company gained prominence with the invention of the first successful four‐barrel carburetor in the late 1930s. Over more than a century, Holley has expanded through organic growth and strategic acquisitions, integrating new technologies in electronics and digital controls to meet evolving emissions and performance standards. The firm emerged from a recent corporate restructuring as a publicly traded entity, reflecting its renewed focus on innovation and operational excellence.
Headquartered in Bowling Green, Kentucky, Holley serves customers across North America, Europe, Latin America and select Asian markets. The business is led by a management team with deep roots in automotive performance and motorsports, supporting a global sales and distribution footprint. Holley continues to invest in research and development, leveraging its legacy of performance engineering to address the needs of both classic‐car restorers and professional racing teams.
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