TRX450R TRX 450R 450ER Ported Cylinder Head Port Porting Assembled Kibblewhite Polaris Replaces Can-Am OEM Part# 420441284

Replaces Can-Am OEM Part# 420441284

and keep costs down

NOT THE HEAD

Sold ONLY for use with EPA-certified

2021-2025 RZR Trail Sport

TRX450R TRX 450R 450ER Ported Cylinder Head Port Porting Assembled Kibblewhite Polaris Replaces Can-Am OEM Part# 420441284FITS ALL '06+ HONDA TRX450R 450ER MODELS! Brand new OEM cylinder head Full race port job Complete assembly Kibblewhite valve spring kit Kibblewhite Black Diamond valves Valve stem seals Valve keepers Please check your order thoroughly when you receive it and contact us if you have any issues at all. If you are not 100% happy with what you receive you are welcome to return it for a full refund, not questions asked! Thanks!! *We recommend that this be