According to CarCraft the suspension consists of:

Mark's car was a shell when he bought it, so rather than finding a stock subframe assembly, he went straight to the good stuff, calling friends Kyle and Stacy Tucker at Detroit Speed and Engineering to place an order for their front clip. While he was on the phone, Mark ordered a QuadraLink rear suspension kit as well as the rear minitub kit and front and rear sway bars for good measure. With adjustable, tubular control arms on all four corners working in conjunction with remote reservoir double-adjustable shock absorbers, Mark's car represents the ultimate in first-gen F-car handling.


They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.