The Speed Tech stuff is great quality. I had a pair of their upper and lower control arms on my stock frame. I've since upgraded to their subframe with high clearance control arms and I have their aluminum body mounts. I'll be getting their LS conversion headers also when I get to that point.
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Mike
Pro Touring 68 Acadian(Nova)
Speedtech subframe with high clearance control arms
Prodigy Bar rear suspension
Ridetech single adjustable coilovers
Wilwood 12.2" brakes
New Gen Splitters
LS3 and TKO600