Supertech Dual Valve Spring & Retainer Kit - B Series Downpipes 2 8mm lock washers

2 8mm lock washers

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All Zeus helmets are ECE 22

Tapered Center Block Edge – Stabilizes center block movement to decrease irregular wear

Supertech Dual Valve Spring & Retainer Kit - B Series Downpipes 2 8mm lock washersSupertech Dual Valve Spring & Retainer Kit B Series All Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms. Using high quality steel alloy allso provides the added benefit of better structural memory for all of our springs. Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit. Our high