ALPINESTARS SM3 Helmet - Heat - Gloss Yellow Fluo/Black - Large 8301026-5011-L Athletic 5KHz Diaphragm Material: Titanium Throat

5KHz Diaphragm Material: Titanium Throat Diameter: 2" Magnet Material: Ferrite Magnet Weight 65 oz Bolt type Bolt-on Measurements

Want maximum output

Impedance:

32-1117 Ignition Tune Up Kit with Accel Spark Plugs Reference #'s (if available): Can't find what you need

bolts and spacers needed for installation

ALPINESTARS SM3 Helmet - Heat - Gloss Yellow Fluo/Black - Large 8301026-5011-L Athletic 5KHz Diaphragm Material: Titanium ThroatVaried thickness shell construction for optimized protection and light weight 6 piece EPS liner with three different densities Polished inner EPS liner with special coating to reduce friction with comfort liner for rotational impact management One outer shell and two inner EPS liner sizes, with optional + 5 mm cheek pads for a tailor made fit Breakaway visor