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Tune your Keihin PWK28 carb with these red anodized idle and air mix screw adjusters from S3.

Direct fit, way easier to turn than those tiny stock screws.

Set includes both screws, part number SCREWSET.

Brand new, never installed.

If you're dialing in a trials bike or just want your PWK running crisp, these are the little upgrades that make a big difference.

EAN not applicable, made by S3.

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5 out of 5