The Screamin' Eagle
® Manual Primary Chain Tension Adjuster is a real benefit in those aggressive racing situations where frequent drag racing starts and high rpm speed shifting are part of the riding experience.
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Ideal for bikes equipped with big displacement high performance (100hp+) engines that are regularly used for track-day drag racing
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Permits manual selection of primary chain tension
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A direct replacement for the Original Equipment automatic version
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Anodized billet aluminum adjuster allows you to fine-tune the settings and lock the position when the freeplay is properly set
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The manual adjustment locks the chain tension in place to prevent the chain from adjusting during severe shifting
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Kit includes required mounting hardware