American Made Engine Parts

Aichi Forge USA, Inc., located in Georgetown, Kentucky, is a leading American manufacturer of precision steel forgings. As the U.S. division of Aichi Steel Corporation (a brother company to Toyota Motor Corporation), the company has operated in Kentucky since the late 1990s (following the merger with Louisville Forge). Aichi Forge specializes in high-quality hot impression die forgings for demanding automotive, truck, and industrial applications, combining Japanese engineering expertise with U.S.-based production to deliver reliable, high-strength components.

Key American-made offerings include forged crankshafts (in-line or twisted, ranging from smaller to large heavy-duty sizes) and connecting rods, along with camshafts and other engine-related forgings. These parts serve internal combustion engines, hybrid propulsion systems, and heavy-duty applications, emphasizing superior strength, precision, and durability from carbon, alloy, and micro-alloy steels.

Bryant Racing, based in Anaheim, California, is a premier American manufacturer of high-performance custom crankshafts. Founded by Sonny Bryant, a former NHRA racer and engine builder, the company has supplied champions in NHRA, NASCAR, and other top motorsports series for decades. Known as the “home of the crankshafts that champions choose,” Bryant Racing combines decades of racing experience with state-of-the-art in-house manufacturing to deliver precision-engineered crankshafts trusted by professional teams and serious enthusiasts.

Key American-made offerings include custom billet and forged crankshafts for Small Block Chevy, Big Block Chevy, LS, LT, Ford (302 to 429), Dodge, and numerous other engine platforms. These cranks feature premium USA Timken steel, precise counterweighting, optional REM isotropic superfinishing, and customization for stroke, journal sizes, and specific racing or performance needs.

COMP Cams, founded in 1976 and headquartered in Olive Branch, Mississippi (with manufacturing in Memphis, Tennessee), is a legendary American manufacturer of high-performance camshafts, lifters, valve springs, rocker arms, and related valvetrain components. For nearly 50 years, COMP Cams has been a leader in camshaft technology, serving street, strip, oval track, drag racing, and marine enthusiasts. As part of the Edelbrock Group, the company continues its tradition of innovation, rigorous testing, and results-driven engineering that has helped racers and builders achieve record-setting performance.

Key American-made offerings include performance camshafts (flat tappet, hydraulic roller, and solid roller), lifters, valve springs, rocker arms, timing sets, and complete valvetrain kits for domestic V8s and other popular engines. These parts emphasize precision lobe profiles, durability, and optimized power delivery for street, racing, and high-performance applications.

Crower Cams & Equipment Co., founded in 1955 by Bruce Crower in a San Diego garage, has grown into a legendary American manufacturer of high-performance internal engine components. Still family-owned and operated (now under third-generation leadership), the company is headquartered in a modern 110,000 sq. ft. facility in San Diego, California. Crower is renowned for precision-engineered parts that power everything from street machines to professional drag racing and oval track competitors, with a legacy of innovation, quality, and unwavering commitment to American manufacturing.

Key American-made offerings include camshafts (flat tappet, hydraulic roller, and billet cores), crankshafts (forged and billet), connecting rods (steel billet and H-beam), roller lifters, rocker arms, clutches, and related valvetrain parts. These components are designed for high-horsepower applications across domestic V8s and other engines, emphasizing strength, precision, and race-proven durability.

Elgin Industries, founded in 1919 and still family-owned and operated in Elgin, Illinois, is a respected American manufacturer of engine and chassis components. With over a century of innovation and quality, Elgin serves OEMs (including GM, Ford, Stellantis, Harley-Davidson, Navistar, and John Deere) as well as the global aftermarket and performance markets. Operating from a modern, fully-integrated manufacturing campus, the company is known for precision-engineered parts, advanced heat treating, and a commitment to American craftsmanship that supports engine rebuilders, racers, and fleets worldwide.

Key American-made offerings include valvetrain parts (lifters, pushrods, rocker arms), piston pins, camshafts, timing components, PRO-STOCK performance parts, and related engine internals for domestic, import, heavy-duty, and high-performance applications. These products emphasize OE-quality standards, durability, and innovation for both stock rebuilds and performance builds.

K1 Technologies is a performance-oriented manufacturer specializing in high-quality connecting rods and crankshafts for domestic, European, and sport compact engines. Engineered for racers and builders seeking reliable, affordable rotating assembly components, K1 combines precision design with durable 4340 steel construction. Now distributed primarily through Titan Motorsports, the brand continues its focus on bridging performance, reliability, and value for street, strip, and track applications.

Key offerings include H-beam and I-beam connecting rods, forged crankshafts, and related rotating assembly parts for popular platforms such as Chevy LS/Small Block/Big Block, Ford, Mopar, Subaru, Honda, Nissan, and various European engines. These components emphasize tight tolerances, ARP fasteners, and race-proven durability.

MAHLE Motorsport North America, established in 2000 and operating as part of the global MAHLE Group, is a leading supplier of high-performance forged pistons, rings, and engine components for motorsports. With a strong North American presence, the division draws on over 100 years of MAHLE engineering heritage to deliver race-proven solutions for drag racing, circle track, off-road, diesel, and professional series. Known for innovation, precision, and reliability, MAHLE Motorsport products are trusted by champions and enthusiasts seeking maximum performance and durability.

MAHLE Motorsport manufactures its forged pistons and related internal engine components in the United States. Key American-made offerings include POWERPAK piston kits (in 4032 and 2618 alloys), Pro Series pistons, custom piston sets, piston rings, and supporting components for Small Block/Big Block Chevy, LS/LT, Ford, Mopar, diesel platforms (Cummins, Duramax, Power Stroke), and sport compact engines. These parts feature advanced coatings, optimized designs for high stress, and race-winning performance across a wide range of applications.

Melling Engine Parts, founded in 1946 and still family-owned and operated in its fourth generation, is a leading American manufacturer headquartered in Jackson, Michigan. With over 80 years of experience, Melling has built a strong reputation as a Tier 1 supplier to OEMs and a trusted name in the aftermarket and performance sectors. Operating from a large integrated manufacturing campus in Michigan, the company specializes in high-quality engine components trusted by engine builders, rebuilders, and racers worldwide.

Key American-made offerings include oil pumps, camshafts, lifters, pushrods, rocker arms, timing sets, valve train components, and related engine internals for domestic, import, heavy-duty, and performance applications. These parts focus on precision, durability, and OE or better performance for both stock rebuilds and high-horsepower builds.

MKS Engineering, Inc., based in Costa Mesa, California, is a specialized American manufacturer of custom high-performance internal engine components. With expertise in both automotive and motorcycle/ATV applications, MKS focuses on precision-designed parts for racing, street performance, and custom builds. The company bridges advanced engineering with quick turnaround, offering tailored solutions that emphasize durability, power, and reliability for demanding engine applications.

Key American-made offerings include custom pistons, connecting rod kits (e.g., Pro-H and Pro-A series), crankshafts (including stroker designs), and related parts such as heavy-duty oil pumps for platforms like Toyota/Subaru FA20, Nissan RB26, and others. These components feature high-end materials, precise tolerances, and designs optimized for boosted, high-RPM, and racing environments.

Oliver Racing Parts, based in Charlevoix, Michigan, is a premier American manufacturer of high-performance connecting rods and related engine components. With decades of expertise and a commitment to uncompromising quality, Oliver has earned a reputation for producing what many consider the finest I-beam and other connecting rods in the world. Trusted by professional engine builders, racers, and enthusiasts, the company focuses on precision, strength, and durability for demanding high-horsepower applications across domestic and performance engines.

Key American-made offerings include I-beam, H-beam, and custom connecting rods for Small Block Chevy, Big Block Chevy, Ford, and other popular engine platforms. These rods feature precision-machined construction from premium aircraft-quality E4340 AQ chromoly alloy, heat-treated for maximum strength, and are available in a wide range of lengths and specifications for street, strip, and racing use.

Pauter Machine Company, founded in 1953 and based in Chula Vista, California, is a pioneering American manufacturer of high-performance internal engine components. With over seven decades of innovation, Pauter has built a strong reputation among racers and engine builders for precision-engineered parts that deliver exceptional strength, reduced windage, and superior durability. The company specializes in custom and application-specific solutions for domestic, import, vintage, and air-cooled engines, maintaining a hands-on, quality-focused approach that has made it a trusted name in motorsports.

Key American-made offerings include 4340 chrome-moly and billet connecting rods (steel, aluminum, and titanium), Porsche and VW rocker arms, crankshafts, oil pumps, and related valvetrain parts. These components feature innovative designs such as cross-beam construction for strength and windage reduction, and are used in high-horsepower street, drag, and track applications across a wide range of engines.

SCAT Crankshafts, founded over 50 years ago and based in Redondo Beach / Oxnard, California, is a leading American manufacturer of high-performance crankshafts, connecting rods, and rotating assemblies. With decades of hands-on experience and a state-of-the-art facility, SCAT serves street, strip, racing, and restoration enthusiasts with precision-engineered components. Known for innovation, quality, and a broad product range covering domestic V8s and other engines, the company continues to produce reliable, high-strength parts trusted by engine builders and racers.

Key American-made or U.S.-finished offerings include billet crankshafts (fully machined from raw bar stock in California), forged and cast crankshafts (finished and heat-treated domestically), connecting rods, and complete rotating assemblies. These parts emphasize strength, precision balancing, and performance for Small Block/Big Block Chevy, Ford, Chrysler, and other popular engines.

Wagler Competition Products, based in Odon, Southern Indiana, is a specialized American manufacturer of high-performance diesel engine components and bolt-on parts for Duramax, Cummins, and Power Stroke platforms. Founded with a focus on pushing the limits of diesel performance, Wagler combines in-house engineering, machining, and real-world testing (including its own motorsports park) to deliver innovative, reliable solutions for street, towing, and competitive applications. Known for quality craftsmanship and customer support in the diesel community, the company continues to expand its line of factory-style performance upgrades.

Key American-made offerings include Street Fighter and Competition Series connecting rods (for Cummins, Duramax, and Power Stroke), billet components, pinned oil pumps, street girdles, and related rotating assembly parts. These products feature robust forged construction, precision machining, and high-horsepower capability for demanding diesel builds.

Wiseco Piston Company, founded in 1941 and based in Mentor, Ohio, is a pioneering American manufacturer of high-performance forged pistons and related engine components. Starting in a garage with a focus on improving boat engine performance, Wiseco has grown into a leader in the motorsports industry, supplying forged pistons for automotive, motorcycle, ATV, snowmobile, marine, and powersports applications. Known for innovation, rigorous in-house testing, and superior quality, the company remains committed to American manufacturing and serves professional racers, engine builders, and enthusiasts seeking maximum power and reliability.

Key American-made offerings include forged pistons (in 4032 and 2618 alloys) for domestic V8s, sport compact, and powersports engines, along with piston rings, wrist pins, and complete piston kits. These components feature advanced skirt coatings, optimized designs for high stress and heat, and precise tolerances for street, strip, drag, and off-road performance.