The Sirco C441BL S‑Cam is a high-quality, heavy-duty left-hand camshaft built for 16½″ trailer drum brakes, meeting or exceeding OEM specs. It’s widely available, reasonably priced, and has many interchangeable alternatives. Either choose the OEM Sirco or a quality aftermarket variant, ensuring it carries the same part number or specs listed above.
Sirco Left Handed 17-5/16 in, 28 Spline Camshaft
$35.42
S-Cam LH 17-5/16 in x 1-5/8 in x 1-1/2 in 28 Spline