S&S Billet Head Breather - M8Precision Machined 6061 Billet Aluminum Replaces the stock plastic breathers that can warp or crack under high heat and pressure. Dual O Ring Seals Ensures a tighter, leak free fit in the head, preventing oil seepage and maintaining consistent crankcase pressure. Labyrinth Venting Design Significantly reduces oil carryover into the intake, keeping combustion cleaner and reducing carbon buildup. Improved Emissions & Longevity Lowers the amount of oil
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