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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Compression Height 1
dirt and sand with improved grease retention
Holds launch limit at +/- 50 RPM for precise engine RPM limiting
the 428NZ is a great non-sealed option that will give you greater performance than the OEM non-sealed chain
durability and unrestricted power
Kibblewhite Black Diamond™ Valve - 80-80916 Yamaha WR 250 / YZ 250 2014-2018 Exhaust Systems Compression Height 1Features 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 Head Diameter 25. 00 mm Riding Style Off Road Application Exhaust Product Name Valve Length 3. 235" Units Each Material
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