Speedmaster outlaw series rotating assemblies offer extra strength, performance and reliability. They include a Speedmaster forged 4340 steel crankshaft, Speedmaster H-beam 4340 connecting rods with ARP bolts, Speedmaster forged pistons, Speedmaster rings and 'King Bearings' Main & Connecting Rod Bearings. Speedmaster outlaw series rotating assemblies are the perfect choice for engines up to 650 hp and 1500-6500 RPM.
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. The ultimate token of precision, Speedmaster is the worldâ€™s only major parts manufacturer to equip cars from Standard replacement to Top Fuel Dragsters.Â
In 1979, the company was founded with Peteâ€™s Performance, which was a small speed workshop. It began by building engines for customers as a hobby, and it has now grown to include selling, assembling, manufacturing and racing high performance engine parts. Over the years, the company has grown into a worldwide high performance powerhouse. Growing from a one-man bricks-and-mortar business; to now a supply chain in which en