Twin Cam Dyno Graphs

Dyno Results May Vary from shop to shop. Some Shops use STD correction factor which on average shows +2-4hp/+2-4tq depending on weather conditions please keep this in mind.

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CVO Low Rider S with one of our 113" Cyl kits our signature 567 Cams 58 Se throttle body and thunder header NO HEADWORK

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Customer assembled 107" Stage 2 kit and tuned by Valley Racing 

example of unbiased results our Stage 2 107 kit consistently does 125 square +

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Before and after. Removed RS647 Cams & Installed our signature 567 Cams

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Our 103" sleeper kit 567 cams 122/120

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110" drop on kit 11.25:1 Our 650 cams & Stg 3 heads 139/133

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Our stage 2 107" kit 130/130 567 cams