Available in aluminum or magnesium. They are much lighter than steel housings and bent tubes are replaceable. Big inspection plug for checking gear condition. Accepts all 3" I.D. axle tubes. See the diagram below and select tubes in the 'Axle Tubes' section, or call us with your requirements and we can figure it for you.
Howe
Racing Enterprises
3195 Lyle Road
Beaverton, Michigan 48612