[Sean Marconette]

Ron,
You might search this topic as it was beat to death when stock was allowed to use aftermarket seats. Someone pointed out the steel inserts in the plastic seats as a concern if I recall. If you have noticed looking at the cars at the races the majority have Kirkey installed. Being able to brace the seat and also fasten it to the car favors an aluminum seat in my opinion. Due to the seat being a lot thinner compared to a factory seat, bracing will be mandatory.

Sean