The FC 450 ROCKSTAR EDITION is a motorcycle built to perform at the highest level. Embracing the highly successful collaboration between Rockstar Energy and Husqvarna Motorcycles, this exciting model will form the basis Jason Andersons official Rockstar Energy Husqvarna Factory Racing machine competing in the 2020 AMA Supercross Championship.
The SOHC cylinder head is incredibly compact and light with the camshaft located as close to the center of gravity as possible, significantly improving handling while its shorter valve timing improves bottom end performance and responsiveness. A new optimized rocker arm design features increased stiffness and reduced inertia on both intake and exhaust.
FMF EXHAUST SYSTEM
The Factory 4.1 RCT Muffler incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally and features a blue anodized titanium muffler body with a carbon end cap. In addition, it offers a shorter overall length that is less susceptible to damage and moves the muffler closer to the engine to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet exacting specifications and is manufactured 100% at FMF's Southern California factory.
PISTON AND CONROD
Replicating the advanced technology used by the Husqvarna motorsport department, a new CP forged box in box piston features a hard anodized compression ring groove with an optimized cam and barrel profile while the new Pankl conrod features a bushing on the piston end reducing friction on the connecting pin resulting in the highest level of performance and reliability.