Pay in 4 interest-free payments of $62.50 Learn more
Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
91004-KY4-900
Replacing your Polaris OEM part number 7518984
this upgrade is engineered to take your ATV to new levels of speed
If your application requires an OPEN bearing the seals can easily be removed
- Stud kit
RZR 1000 Trail 55" 60" Kibblewhite Valves Hi Performance Turbo Valve Spring Kit Pro XD 91004-KY4-900WORKS 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*