<https://bluemax.com.au/about-bluemax/ford-f250-f350-parabolics#webpage>
<http://schema.org/description>
"It's a winner - A leaf spring solution for Ford F250 & F350 four wheel drive fitted with a three leaf parabolic spring on the front suspension."
<https://bluemax.com.au/about-bluemax/ford-f250-f350-parabolics>