VALVE SPRING KIT ROTAX 500/600, KIBBLEWHITE 91-9400 AIR COOLED

Part No. 65-9663.KW (oro2u.com)
Racing Spring Kit, Titanium, 0.450 Lift,
BRP, Rotax Air Cooled Singles 500/600, 1982-2006,
Since 1938, KPMI has taken great pride in our ability to design innovative performance improvements for valvetrains. This innovative ability has never been more apparent than

these engines. Working together as a team enabled KPMI® to evolve with a “unified system” approach. In fact, these innovative high performance lightweight valve spring kits, would not only outperform factory parts, but outlive them as well. Each KPMI® spring kit is designed for its specific application, taking into account several critical parameters including; cam profiles, harmonics, natural frequency of the springs, valvetrain mass, required pressure, wire stress,