Kibblewhite Black Diamond™ Valve - 40-4190 Kawasaki EX500D Ninja 500R / Ninja 500R 1987-2009 Brand_Burly Brand Fits Screamin' Eagle and other

Fits Screamin' Eagle and other Aftermarket center bolt round filters

and sequential turn signal light functionality

thus unlocking the full power of your engine without the need to add stiffer pressure plate springs or a lock-up device

Loaded with 16 different advance curves

with or without a battery

Kibblewhite Black Diamond™ Valve - 40-4190 Kawasaki EX500D Ninja 500R / Ninja 500R 1987-2009 Brand_Burly Brand Fits Screamin' Eagle and otherFeatures Black Diamond valves are CNC machined from one piece forgings of EV8 Stainless Steel Black Diamond proprietary multi stage process reduces friction, and provides superior resistance to corrosion and wear Made in the U. S. A. Must use Kibblewhite Lightweight Valve Spring Kits when installing Black Diamond Valves. Specs Riding Style ATV Stem Diameter 5. 50 mm Tulip Angle 20 Length 3. 510" Model Black Diamond Riding Style Street Application