S&S CYCLE Base/Head Gaskets - Big Bore - Big Twin 90-1918 Power Tune Muffler Insert — Plugged/Rear Removable inner sock with open

Removable inner sock with open cell PU compound provides high breathability

Generous vents in the chin bar get the air flowing and the outlet in back lets hot air escape

Integrated ultra-slim closure flap with a wrist strap for a secure closure

Tough reinforced shin plates and impact-resistant nylon buckles

S&S CYCLE Base/Head Gaskets - Big Bore - Big Twin 90-1918 Power Tune Muffler Insert — Plugged/Rear Removable inner sock with openHead gaskets are made from aramid fiber reinforced premium graphite material with a steel core, stainless steel fire ring and anti stick coating Base gaskets feature S&S Pro Formance micropore compound proven to resist failure due to extrusion or blow out Made in the U. S. A.