chemical resistance and reduced heat transfer to intake components for best induction efficiency

Note: S&S breather valves come with elongated breather holes to increase the duration of the vacuum

Fits: > L83-86 FXWG

2006 Dyna)

00-17 FLSTF/B/BS

Exhaust Gasket Evo/TC Elstart 1990 - upp chemical resistance and reduced heat91 09 conical style. Note: The 84 90 10 up style is preferred by many for better flow characteristics. Note: The 91 09 late style is a conical (tapered) shaped gasket that was introduced by The Factory in 1991 and replaced, again, with the early style in 2010. Note that the early style will fit all models and is generally seen as the better gasket design. Fits: > 84 22 B. T.; 86 22 XL; 08 12 XR1200; 87 10 Buell XB styckvis