 AFR | For 30 years Airflow Research has been defining technological leadership in performance cylinder head manufacturing | |  Patriot Performance | Patriot Performance began its business with revolutionizing the CNC cylinder head market. Patriot Performance is one of the largest suppliers of ported LS, Modular Ford, SBC, SBF, BBC, and other heads in the nation. | |  Arias Pistons | Arias, 38+ years of forged piston innovation that has set the standard for piston performance. Arias Pistons blends its unique experience, state-of-the-art equipment, engineering and dedicated team to produce pistons that have a reputation for power! | |
 Bill Miller Engineering | Discriminating racers prefer BME forged aluminum racing pistons, wrist pins and forged aluminum connecting rods for their superior technology, premium quality and bulletproof reliability. | |  BLE Engineering | As the result of years of passion, testing, & development, the genuinely race-bred BLE Product Line of solid lifter conversion kits & race tensioners will continue to grow, offering new high-performance products for the street performance enthusiast. | |  Brian Crower | Brian Crower, Inc. was created to fill the need for high quality, high performance, late model Sport Compact internal engine components, in stock, at very affordable prices. | |
 Callies | Callies has grown to be the industry leader for innovative racing crankshaft and connecting rod design. Callies Performance offers the best designed, highest quality racing crankshafts and connecting rods available on the market today. | |  Carrillo | Carrillo Industries has dedicated its resources to one effort; connecting rods and connecting rods only. Carrillo has built a world wide reputation for providing a broad range of connecting rods to virtually all venues of Motorsports worldwide. | |  Clevite | Clevite's involvement in INDY, NASCAR, ARCA, NHRA and IHRA racing as well as other forms of motorsports have proven Clevite to be the leaders in engine bearing technology both on the track and off. |
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 Cloyes | Cloyes is a worldwide leader in the manufacture of automotive timing drive systems and components for both the OEM’s and the Automotive Aftermarket. | |  Cometic | Since its inception, Cometic Gasket has been committed to producing superior quality gaskets for the high performance motorsports aftermarket. From the MLS (Multi-Layer Steel) gasket, or a synthetic blend such as the Aramid Fiber, Cometic has the product. | |  Competition Cams | Comp Cams manufactures truly superior hydraulic and solid flat tappet, hyd and mechanical roller, and overhead camshafts for everything from OE replacement to full race, designed and manufactured using cutting-edge technology and engineering. | |
 Cosworth | Over the years Cosworth developed in-depth knowledge of engines, engine components and engine management systems. This has been successfully used to supply engines and components to some of the most successful Formula One teams and vehicle manufacturers. | |  Dart | Dart Machinery produces the finest in high performance cylinder heads, engine blocks and intake manifolds for racing and for the street. Manufacturing technologically advanced components for Chevy, Ford and Import performance is their business. | |  Edelbrock | Edelbrock is one of the giants in the automotive aftermarket. Their extremely broad product line touches almost every major category. Edelbrock produces carburetors, intake manifolds, fuel injection systems, cylinder heads, water pumps and more. | |
 Fluidampr | The best dampers on the market are produced in the USA by Fluidampr, an ISO 9001:2000 certified facility. Over 4 million viscous dampers have been made for heavy duty diesel, drag car, stock car, street machine, race boat & other high performance engines. | |  GM Performance Parts | The GM Performance Parts product offering includes streetable, complete small block and big block crate engines ready to run or long blocks and short blocks from 290 HP all the way to a neck snapping 720HP plus all of the parts to build these motors. | |  GReddy | The Trust Company LTD has become a dominant manufacturer of performance automotive products around the world with popular brand names like GReddy, GREX and GRacer. The Trust Company offers a wide variety of performance aftermarket automotive components. | |
 JE Pistons | JE Pistons has over 60 years of experience as the leader in high performance forged pistons. JE Pistons has built a reputation that the competition can only follow. JE produces pistons for drag ,stock car, sport compact and many other forms of racing. | |  Jesel | The Jesel ownership, as former racers and engine builders, understand the need for quality and service and vow to keep the reputation for quality that Jesel has been known for the last 28 years. Jesel is the innovator of shaft rockers & belt cam drives. | |  K1 Technologies | K1 Technologies produces Raceready 4340 H-Beam & I-Beam connecting rods and 4340 crankshafts. They are made to K1's proprietary designs and are held to some of the tightest accepted tolerances within the racing industry. |
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 Kelford | Kelford Cams has been the leading camshaft manufacturer in New Zealand since 1968, always keeping up with the latest design and manufacturing technology in addition to always offering racers personalized service. | |  Lunati | Since the 1960s Lunati has made a point to manufacture camshafts, crankshafts, connecting rods and valve train components of the highest quality using cutting-edge technology. Every single product made undergoes extensive testing and analysis. | |  Mahle | Mahle has been a developer in motorsports worldwide for decades. Mahle’s technological leadership has been proven on the toughest test tracks in the world. Mahle pistons in racing engines guarantee maximum performance and outstanding reliability. |
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 Manley | For many years Manley Performance has been a leading manufacturer of performance crankshafts, I-Beam and H-Beam connecting rods, stainless steel and titanium valves, pushrods, valve springs as well as steel and titanium valve spring retainers. | |  Mast Motorsports | Mast Motorsports is the leader in GM Gen IV engine development & controls. Mast Motorsports' hand built turn-key engines produce maximum power with zero engine knock on pump gasoline for the ultimate in durability with a warranty | |  Moroso Performance | Moroso Performance produces automotive oil pans, oil systems, vacuum pumps, spark plug wire sets, ignition products, chassis components and a very large variety of performance related accessories. | |
 Mr Gasket | Mr. Gasket has been a mainstay in the performance industry for decades. Mr. Gasket manufactures head gaskets, intake gaskets, exhaust gaskets and complete engine gasket sets, Mr. Gasket also makes electrical, cooling and ignition products. | |  Professional Products | Professional Products is a manufacturer of intake manifolds, air cleaner inserts, vibration dampers, billet oil filters, distributors, throttle bodies, Fuel filters, fuel system components, gauges, EFI systems, fuel system hose and fittings | |  Proform | Proform Parts manufactures Shift Lights, Mechanical Secondary Carburetors, Performance Parts, GM Licensed Parts, Engine Tools, and more! |
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 RHS | Racing Head Service or RHS, manufactures a full line of Performance Cylinder Heads including the Pro Torker, Pro Elite, Pro Action, Pro Topline and CNC machined racing cylinder Heads. | | |
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