Valve Guide all 1970-on Airheads exc R65
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Valve Guide all 1970-on Airheads exc R65

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Code: 91020-00
Price: $13.95
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Beemershop valve guides have consistently proven to provide far longer life than original BMW guides. Made of the latest high manganese bronze alloy, they provide extraordinary wear resistance and superior heat dissipation.

With built in ring, no separate external clip is required which simplifies installation.

When you install a new valve guide, the internal diameter is often smaller where it is fit inside the head and larger where it sticks out of the head. Original BMW valve guides are pre-sized internally which means they cannot be honed to proper clearance after installation. Our guides are CNC made in the USA to be slightly undersized on the I.D. so they can be honed properly after installation for a true .002" precision clearance to the valve stem top to bottom which is simply not possible with original BMW guides. 

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