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Yamaha
YFZ450R Cylinder Head "XXX" Porting
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YFZ450R Cylinder Head "XXX" Porting
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Your Price:
$475.00
Questions about this item? Be the first to ask here.
Part Number:
513-2-2-2
Availability:
In Stock.
Disassembly / Assembly
*
Yes - I will send a complete head for LS4 to disassemble / inspect / and reassemble. (includes new valve seals) (+$85.00)
No - I will disassemble / reassemble my own head. Porting work only
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Description
The "XXX" port is our most advanced head port for the highest performance applications. All heads are CNC ported to the same exact port dimensions every single time. We then further enhance the port by sand rolling out all the machine marks from CNC porting so that the port is nice and smooth. Our "XXX" port also includes welding the AIS hole shut on the exhaust side.
*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 various combinations*
This "XXX" cylinder head porting includes:
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
Porting on both Intake and Exhaust sides
Cheapest option is for you to disassemble the head to a bare head. We will then perform the above port and welding work and send the head back. You will need to then reassemble your head with new valve seals and also keeping track of which valve components goes into which location.
We also can disassemble and assemble your head for you. If we perform this work, we will be able to fully inspect the head and components to determine if further work if needed like a valve job, etc. We will include cleaning the valves and new valve seals in this process.
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