RZR 1000 Trail 55" 60" Kibblewhite Valves Hi Performance Turbo Valve Spring Kit

WORKS ON ALL POLARIS RZR 1000 S / RS / TRAIL MODELS AND YEARS (SEE ABOVE CHART) Kibblewhite complete head rebuild kit Chrome silicon valve springs, hi performance titanium retainers, heat treated collars Kibblewhite Black Diamond 37.72mm intake and 29.21mm exhaust valves One piece stainless steel valve construction Viton top hat valve stem seals for OEM guides Works on stock or built head Works with OEM and all aftermarket camshafts 1 year warranty* Please check your order completely when you receive it and if you have any issues at all contact us right away so we can fix them.  Returns are accepted within the first 30 days for any parts that are brand new, never installed, and sealed in the original packaging only. *This product is not DIY.  99% of people in the world are not qualified to build a UTV cylinder head, and we strongly recommend that this kit be installed by a qualified, experienced mechanic.  Warranty does not cover any failure that is a result of improper installation, improper tuning, improper break in, lack of regular maintenance, or misuse.  For any warranty to be considered the part(s) in question must first be sent to us for inspection, no exceptions.  We can not warranty any parts based on phone calls, emails, what another mechanic says the problem is, or photos alone.