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Add horsepower and get superior protection for your GM LS stroker engine with Mast’s all-new Black Label windage tray. The custom engineered contours optimize oil return to the sump while providing optimum protection against oil splashback. The Mast Black Label windage tray (P/N 401-015) fits all GM LS oil pans except 4th Gen F-Body that require a Short Length (P/N 401-014) and is ideal for racing or street/strip applications. The windage tray clears up to a 4.250” stroke crankshaft with H-beam connecting rods, is compatible with multiple pickup tubes, and accepts factory GM windage tray nuts
