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Yamaha
YFZ450R "XXX" Series Ported Race Head Service - Customer Provided Head
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YFZ450R "XXX" Series Ported Race Head Service - Customer Provided Head
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Your Price:
$2,100.00
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Part Number:
513-2-2-2
Availability:
In Stock.
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Description
Our "XXX" series product line is the best of the best that you can have for your machine. All top of the line components are used with nothing but extreme performance in mind. Our "XXX" head makes huge power while still providing reliability for the high-revving, race environment.
*This option is for a customer provided head. The lead time for this work is about 5-6 weeks after receiving your head at our facility. You are required to ship your head for this product option. For a reduced lead time, we also sell new ported OEM heads in our "E+", "X", and "XXX" line.*
This "XXX" head service includes:
Full inspection of the head condition - the base price of this service includes all listed below, but does not include replacing worn out guides and seats. If we find that your head needs new seats and or guides, an additional cost of up to $385 may be required
The head is fully media blasted for cleaning
We weld the AIS hole shut before porting on the exhaust side
The same "big" porting as our top end race heads all done by CNC to guarantee every head is to proper specs.
Sand roll finish the ports after CNC porting to smooth out the machining marks for an ultra-smooth port
5 Angle High Performance CNC valve job to cut seats for oversize valves and optimal flow
Check flatness of head and surface grind head flat
Oversize titanium valves (Del West) for all 5 valves
+2 Exhaust Valves
Xceldyne HD Valve Springs (reduces valve float and increases durability)
Xceldyne Spring Locators
Xceldyne Titanium Retiners
New Valve Stem Seals
Re-uses your OEM valve locks
Valve Spring spacers for enhanced exhaust seat pressure
This head is returned complete and assembled. You will need to shim the valves for your camshafts. If you would like us to also shim the valves, please select that product option and send your cams in with the head or purchase new cams from us.
*It is also important to utilize a piston that is cut to accept +2 valves. If you need direction on cam selection, please contact us as we also offer a wide range of camshaft options.*
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