Cylinder Heads - 79 cc - Super Stock® - Twin Cam Mount Flywheel Assembly - 4-3/8" -

Flywheel Assembly - 4-3/8" - with Sprocket Bearing Race - Twin Cam "B" '99-'06 (except '06 Dyna)

Provides excellent lubricity and control foaming plus protects suspension system against corrosion

Optional rider backrest for Sportster Solo with internal backrest hardware

Forged billet aluminum construction with stainless steel mesh screen

Sissy Bar Pad - Medium - Smooth - Shiny Black

Cylinder Heads - 79 cc - Super Stock® - Twin Cam Mount Flywheel Assembly - 4-3/8" -Cylinder Heads 79 cc Super Stock Twin Cam Heads are fully assembled with springs and valves Works great with 88" to 103" stock motors, but are ideal for larger stroker or big bore engines up to 110" Large 1. 940" intake and 1. 575" exhaust valve maintain port velocity for good low and midrange response, but supply enough air for stock and slightly larger engines to perform to their full potential S&S High performance valve springs allow the