Seller notes

You will get the brand new set of stock intake and exhaust valves and guides. The valves are USA Made 70-4603 / 70-2904, 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. 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. W...

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