The E‑9732 is a right-hand S‑camshaft designed for 16½″ trailer drum brake systems (Dana‑Spicer XL / 16.5″ Q‑style brakes). It features a 1.625″ diameter, 28‑spline journal, a hardened cam head, and an effective length of 17 7⁄16″, offering OEM-style fit and dependable performance.
