This is NOW THE LARGEST production, most efficient front mount intercooler available. BA use only the best components available, 3" cast elbows, Large tube bar and plate inter-cooler core and mandrel bent aluminum pipes, all clamps and mounting hardware included.Core dimensions.. 16.75x27.5 = a huge core.... surpassing all other intercoolers produced for Turbo Buicks for that extra cooling and flow needed for the serious, performance minded racer!! at an incredible price compared to whats available!!!