Check out their website...
http://www.engineice.cc/This stuff wasn't cheap at $20/half a gallon FYI ... It was recommended to me by a buddy who uses it in his VTX1800. I bought it assuming it would be fine for the Valk and then decided that I should ask the experts... you guys. Thanks for your input!
This is from the FAQ's page on their website:
Is Engine Ice Hi-Performance Coolant “Silicate Free” and “Phosphate free?”
Yes, Engine Ice Hi-Performance Coolant is both silicate and phosphate free.
Is it an antifreeze?
Yes, Engine Ice Hi-Performance Coolant is an antifreeze offering freeze protection to -26oF (26 degrees below zero)
Is it safe for aluminum?
Yes, Engine Ice Hi-Performance Coolant is safe for aluminum and most all metals.
My manual says to use “ethylene glycol” or their specific brand, can I still use Engine Ice?
Typically, this is due to outdated standardization and also because many OEM’s manufacture and sell an ethylene glycol based product. They want you to buy their stuff. You can use Engine Ice.
Will it harm my gaskets or seals?
No, Engine Ice Hi-Performance Coolant will not harm your seals and gaskets. Engine Ice Hi-Performance Coolant meets or exceeds all AS™ (American Society for Testing and Materials) and SAE (Society of Automotive Engineers) Standards and Requirements. These are industry standards in most everything mechanical and engine-based, including motorcycles and cars.