This Fastheads.com package services and upgrades all years TRX450R to our reliable race specs for motocross and desert. Premature intake valve wear is eleminated without using power robing Stainless valve kits. This service solves all wear problems inherent with the Honda unicam heads. Your head will be returned ready...
This Fastheads' package services and upgrades all years TRX450R to our reliable race specs for motocross and desert. Premature intake valve wear is eliminated without using power robing Stainless valve kits. This service solves all wear problems inherent with the Honda uni-cam heads. Your head will be returned ready to bolt on with new Chromium Nitride coated intake valves, Beryllium Copper intake seats, Bronze Manganese exhaust guides, Kibblewhite Black Diamond exhaust valves, new springs and viton seals. Race seat face profiles are cut perfectly concentric and blended into the bowls and professionally assembled and tested. 04-05 head gain 2hp just from the use of Ti intake valves. Specs can be modified to suite your motors needs upon request. If you have a big bore we can fit larger valves. The specs in this package is for motocross and offers a good usable power-band from low to high rpm. Specs can be altered for peak hp associated with wide open drag racing. We can also adjust the valve shims for $35. Complete porting for another $175 when purchased with this package. PICTURES REPRESENT THIS JOB ON A UNICAM TYPE HEAD NOT A TRX450 HEAD.
Please contact us for any information not listed above, and for current turn around time. 435-668-7779/ racerser@gmail.com
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