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Yamaha
YFZ450R "X" Series Complete Ported Race Head - New OEM Head Included
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YFZ450R "X" Series Complete Ported Race Head - New OEM Head Included
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On sale:
$2,475.00
Original price
$2,325.00
Questions about this item? Be the first to ask here.
Part Number:
513-2-2-2
Availability:
In Stock.
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Description
Our "X" series product line offers extreme performance while being slightly less expensive than our all out, top of the line "XXX" product line. This is absolutely a high-performance head with components hand-selected and vigorously tested to provide the best blend of performance and affordability.
The "X" head includes:
Brand new OEM Yamaha Cylinder Head
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
Oversize titanium valves (Del West)
+1 Exhaust Valves , +1 Center Intake
OEM Titanium Outter Intakes
Xceldyne HD Valve Springs (reduces valve float and increases durability)
Xceldyne Spring Locators
OEM Retainers
OEM Valve Locks
New Valve Stem Seals
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 +1 valves or greater. If you need direction on cam selection, please contact us as we also offer a wide range of camshaft options.*
We keep these heads in stock and can ship out the complete head assemblies immediately after order.
This head comes complete and assembled as a direct replacement for your machine. If you are wanting similar work done on an existing head, we also offer those services and have other product listings available on this site. Buying this head complete saves time and potentially money. We keep these heads in stock and they will ship after order completion. If you are sending in an existing head for service, the lead time generally ranges from 4-6 weeks. We also find many "used" heads are worn out and need full replacement of guides and seats along with needing ground back flat and we often find cracks or damaged spark plug threads. If you feel your current head has a lot of hard hours, buying a new complete head will save time and money.
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