Made from .120" thick billet alum. and fits all PSI magnesium Deep Throat injector hats. Butterflies are sold individual and all four butterflies are the same size. Butterflies are raw alum. so the racer can anodize color of choice.
Be sure to treat yourself to some new butterfly bolts and washers from the drop down menu when ordering.
Bolts are 8/32" x 1/2" socket head and washers are 8/32" lock washers.
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