Exhaust Valve (30Mm Od, 90Mm Length) Exhaust Valve (30Mm Od, 90Mm Length)$36.72 Enter Quantity SKU: W-120176280 Replaces: SBA120176280Fits: 1320, 1520, 1530, 1620, 1630, 1715, 1720, 1725, TC25, TC29,