Suppliers > Cranktrain

After more than a century in the engineering and machining business, we have taken our knowledge gained to provide the motorsports enthusiasts with a brand offering high quality racing components for light to extreme application, in an unbeatable value to cost package.

Speedmaster has become a leader in its field, built on a long term consistency of being a specialist in aftermarket automotive components. The team has shared all the finest moments in the numerous accolades for its people, its products, and its approach. Speedmaster is also one of the rare companies to produce its own products, where majority items are entirely developed and manufactured in its workshops.

We invite you to benefit from our experience as one of the world's leading manufacturers of springs and stampings.

MAHLE is a leading international development partner and supplier to the automotive industry as well as a pioneer and technology driver for the mobility of the future.

Shaftech® specializes in crankshaft repair and journal restoration.

AVL RACING is the global motorsport expert of AVL. Built around its five segments SIMULATE, ENGINEER, MAKE, TEST and RACE, it is the integrated partner for premium motorsports at every stage of the development routes in different racing classes.

Using our combined years of engineering experience, we carry out machining on cylinder heads, lower block, crankshafts and engine components.

SHAPING THE WORLD SINCE 1980, Mike & Paul Mittler started the business in rented 2500 sq.

Ilmor Engineering, Inc. is a globally recognized provider of high performance engines.

Our springs are critical in applications across multiple industries including: Transportation, Aerospace, Construction, Medical, Energy, Telecommunications, Industrial, Consumer Goods & many others.

Bill Miller Engineering's roots in the hard-core race engine parts business go back more than a generation.

Through the years it has taken the utmost from the very advanced technology related to Thermotechnics.

For over 35 years I have devoted my life to designing and building top-quality connecting rods and crankshafts for the world of high performance racing.

Cosworth employs its motorsport-inspired engineering and manufacturing capabilities to improve vehicle and driver performance.

Crower builds performance racing parts from camshafts to crankshafts.

Clarendon was incorporated in 1982. The company was founded to fill a niche in the Engineering industry to supply seals and fasteners and provide the highest level of service to our customers. Our success is proven by our continual company growth each year.

Supertech provides the racing market with superior valves and valve train components for virtually every type of racing.

We are an Argentine company that produces special connecting rods and transmissions for racing cars.

Venolia Pistons has been an integral force in important land/marine speed records plus national/international racing championships.

All Smalley retaining rings, wave springs and constant section rings are manufactured with our unique edgewinding process.

Precision Products Performance Center is one of the leading manufacturers of wrist pins, valve locks and many other internal engine components.

Harrop continues to grow through successful partnerships and our highly skilled workforce delivering world class products. Our development pipeline for Supercharger, Differential, Brake & Cooling product is securing our future growth and attracting new customers to Harrop. More exciting new products are due for release - stay tuned!

In 1957, Rotor Clip Company was founded by Robert Slass in Farmingdale, NY in a 2000 square foot building.

It’s more than likely someone you know or race against runs R&R billet aluminum connecting rods and oil pumps that can be found in top-performing engines and race cars around the world. Now it’s your turn to join the ranks of the best! We have worked with some of the best in the industry all under the R&R flag

Falicon Crankshaft Components, Inc. manufactures and markets motorcycle crankshaft and crank components.