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Childish Concepts
''Where we want to work with you to get that win"
Si Valve lock (TOP GROOVE) 5.5 mm stem
$5.60
In stock: 26 available
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Si Valve lock (TOP GROOVE) 5.5 mm stem
Product Details
These are sold as a pair and you will need a qty of 2 to do one engine.
They are used to move the retainer down in order to increase seat pressure instead of shimming under the spring when needed
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