Evo B.T. rocker cover kit (1 cyl.). Chrome - 84-99 Evo B.T. (NU) 517745 For 91-18 XL models (natural)

For 91-18 XL models (natural)

- New battery activation – 30 minute activation charge for new batteries that have received acid just prior to charging

Bring the radical Stiletto style to your top end with these rocker box bolt covers

Same as 917049 Deluxe kit

Used in combination with stock alternator rotors

Evo B.T. rocker cover kit (1 cyl.). Chrome - 84-99 Evo B.T. (NU) 517745 For 91-18 XL models (natural)Chrome plated aluminum. Complete rockerbox set for one cylinder head. With breather passages and umbrella valves for late model head breathing Evo, for earlier case vented models, just don't use the umbrella valves. Includes mounting hardware, umbrella valves and gaskets. Includes gaskets. Note: Rocker cover sets are for for late head vented models. Will fit early 84 91 B. T. crankcase vented models when the umbrella valve is not used.