Replacement o-ring for use with mixture screws on Keihin and Harley carburetors. These are Viton® o-rings resistant to fuel additive damage and are sold in packs of 10.
For single use the Viton o-ring can also be found in our Mixture Packing Kit which includes the spring and washer.
Note: always place the washer between the o-ring and spring to protect the o-ring from damage.
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