Moroso

Moroso
Name	Moroso
Type	Private
Industry	Automotive parts
Founded	1950s
Founder	Ed Iskenderian
Headquarters	California, United States
Products	Performance oil pans, valve covers, dry-sump systems, oil pumps

Moroso is an American manufacturer specializing in high-performance automotive components, particularly oiling systems, oil pans, valve covers, and related accessories for racing and street applications. The company built a reputation across drag racing, road racing, stock car competition, and hot rodding communities through product development, trackside support, and partnerships with teams and engine builders. Moroso products were used by a range of prominent racers, engine shops, and vehicle constructors seeking improved lubrication, durability, and packaging for high-power engines.

History

Moroso was founded mid-20th century amid the postwar hot rod movement in Southern California, a hub that included Southern California speed shops, dry lakes racers, and drag strips such as Pomona Raceway and Fontana Raceway. Early decades overlapped with influential figures and companies like Ed Iskenderian, Vic Edelbrock, Carroll Shelby, John Z. DeLorean, and events such as the Bonneville Salt Flats speed trials and the growth of NHRA competition. The firm's trajectory mirrored that of performance parts suppliers including Holley, Edelbrock, Crane Cams, Comp Cams, Victor Equipment, and Weiand as demand for purpose-built lubrication gear grew among builders servicing cars for SCCA road racing, IMSA endurance events, and NASCAR short-track competitors.

Throughout the 1960s–1980s Moroso expanded product lines while interacting with engine builders and chassis shops like Don Garlits, Tom McEwen, Don Prudhomme, Hurst, and Goodguys-era restoration projects. The company adapted to regulatory and technological shifts influenced by organizations such as the Environmental Protection Agency and manufacturers including General Motors, Ford Motor Company, and Chrysler as performance applications diversified into dragsters, stockers, muscle cars, and later import-tuner markets.

Products and Services

Moroso has engineered oiling components targeting high-performance applications: fabricated and cast oil pans, baffled sump systems, deep-sump pans, dry-sump pumps, remote oil filters, breathers, and billet valve covers. These items served builders of small-block and big-block engines by companies and personalities including Chevrolet, Ford, Chrysler, Small-block Chevrolet, Big-block Chevrolet, Ford Windsor engine, Ford Modular engine, Chrysler Hemi, and aftermarket houses like LSX specialists. Complementary offerings included engine dress-up parts, oil coolers compatible with brands like Mishimoto, and accessory brackets used in projects by outfits such as Roush Performance and SRT teams.

Moroso provided technical support and custom fabrication services for engine builders and race teams, collaborating with machine shops and engine shops such as Hughes Engines, Yates Racing Engines, McLaren Automotive-adjacent tuners, and independent builders populating NHRA and IndyCar feeder series. The product range addressed needs from street restoration projects promoted by clubs like Goodguys Rod & Custom Association to professional competition programs in associations such as NHRA, NASCAR, and IMSA.

Company Structure and Operations

Operated as a privately held enterprise, Moroso maintained production facilities in California with distribution through national parts chains, independent speed shops, and specialty retailers including Summit Racing Equipment, JEGS High Performance, and regional distributors serving Southeast United States and Midwest United States racing markets. The company combined in-house engineering, CNC fabrication, aluminum casting, and sheet-metal stamping processes, frequently employing technologies adopted across the aftermarket sector alongside firms like ARP, K&N Engineering, Bosch Motorsport, and Delphi Technologies suppliers.

Sales and marketing aligned with motorsport calendars and trade events such as the SEMA Show and PRI Trade Show, where Moroso representatives showcased products alongside manufacturers like Koni, Bilstein, Brembo, and Wilwood. Operations encompassed warranty support, trackside logistics for sponsored teams, and technical liaisons that worked with engine tuners, dyno shops, and chassis fabricators.

Motorsport Involvement

Moroso maintained a significant presence in motorsport through sponsorships, technical partnerships, and direct supply of oiling systems to drag racing icons such as Don Garlits, Angelle Sampey, and Tony Schumacher-era teams, as well as road racing efforts including SCCA club racers and IMSA entrants. The firm’s hardware was fitted on vehicles competing in NHRA Funny Car classes, Pro Stock motorcycles, and regional Sprint Car and oval divisions. Moroso-backed teams participated in marquee events including Daytona 24 Hour tests, Indianapolis Motor Speedway support series, and Bonneville speed attempts, leveraging products for reliability under extreme loads.

Technical collaboration extended to engine builders participating in NASCAR Cup Series and IndyCar Series feeder programs, offering bespoke solutions for oil control, dry-sump packaging, and heat management in turbocharged and naturally aspirated platforms used by teams and constructors.

Notable Projects and Collaborations

Moroso collaborated with high-profile engine builders, chassis shops, and aftermarket brands on project cars, demonstration builds, and limited-run components. Notable collaborations involved partnerships with tuners and teams associated with Shelby American, Roush Fenway Racing-linked programs, and custom builders contributing to shows at the SEMA Show and Goodguys events. The company supported restoration and pro-touring builds inspired by vehicles like the Chevrolet Camaro, Ford Mustang, Dodge Challenger, and classic Chevrolet Corvette editions, supplying oiling hardware tailored to crate engines from suppliers such as GM Performance Parts and swap projects driven by enthusiasts from online forums and clubs.

Moroso also provided bespoke solutions for engine programs overseen by well-known builders and shops like Yates Racing, Holley Performance Products collaborations, and dyno development projects run by independent engine shops, helping refine oiling strategies on high-output applications employed in professional and amateur competition.

Category:Automotive parts suppliers