The Mittler Bros. Rear Dust Cap — 40 Spline is the dust cap for 40-spline Grand National floater rear hub applications. It seals the outboard end of the hub to protect the axle bearing, O-ring, and hub internals from dirt, debris, and moisture. This listing is for the cap only — O-ring and bolts are not included.
For the complete 40-spline hub cap kit with O-ring and bolts included, see the GN Hub Cap Complete, 40 Spline (SKU 1400-054). For the 24-spline complete hub cap kit, see SKU 1400-009. Made in the USA.
