Kibblewhite Black Diamond™ Valve - 40-4190 Kawasaki EX500D Ninja 500R / Ninja 500R 1987-2009 Brand_Burly Brand Loaded with 16 different advance

Loaded with 16 different advance curves

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

Product Name Exhaust System Type 49 State Model Super Bike Design/Configuration 2-Into-1 System Material Stainless Steel Units Each Riding Style Street

but they extend them

Designed specifically to sound good and last through every kind of weather

Kibblewhite Black Diamond™ Valve - 40-4190 Kawasaki EX500D Ninja 500R / Ninja 500R 1987-2009 Brand_Burly Brand Loaded with 16 different advanceFeatures 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