2017-2019 for Kawasaki KX 250 F MOOSE RACING Valve and Spring Kit M40-41455 Same sound level as stock

Same sound level as stock at idle and 1 - 2 db over Stock at 3000 RPM with improved (Deeper) tone

Maximum weight-to-performance ratio

Fitment: 1986 Honda CR125R

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Fitment: 2005 Yamaha YZ125 2006 Yamaha YZ125 2007 Yamaha YZ125 2008 Yamaha YZ125 2009 Yamaha YZ125 2010 Yamaha YZ125 2011 Yamaha YZ125 2012 Yamaha YZ125 2013 Yamaha YZ125 2014 Yamaha YZ125 2015 Yamaha YZ125 2016 Yamaha YZ125 2017 Yamaha YZ125 2018 Yamaha YZ125

2017-2019 for Kawasaki KX 250 F MOOSE RACING Valve and Spring Kit M40-41455 Same sound level as stockManufacturer: Moose Racing MPN: 0926 3199 Title: Exhaust Valve Kit Stainless steel conversion kits include only what is needed to convert your head to the long life stainless steel Black Diamond intake valves Extends the life of the valve train and intake components by as much as 4x over the OEM titanium parts Includes forged one piece stainless steel intake valves, wound chromesilicon heat treated wire valve springs, ultra light titanium retainers