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Triumph valves & guides 650 750 unit twins Special Black valve set US Made

  • Model: 70-4230 / 70-4228


Price: $150.00

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You will get the brand new set of intake and exhaust valves and guides. The valves are kibblewhite, the guides are made of the highest quality bronze, and hold the tightest accepted tolerance when your engine is up to operating temperature, unlike other guides on the market. This is the correct set for all unit 650 and 750, it will work also on 54 to 62 pre-unit.

These guides are Phosphor Bronze which is the best material to use for guides on these Classic Bikes. Silicon Bronze which is the next grade up tends to wear out the valve neck so we stay away from it. With these bikes the Phosphor Bronze offers better lubrication and they live better in the aluminum heads." There are many opinions on this subject but this is our information after 30 years of testing in many different environments, and conditions. Our tolerance on these guides is tighter and more accurate than many of the other leading suppliers, (the hole is closest to center than any other guide available).

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