Place racing has a weld in kit but you are going to be better off making them from scratch. To really set the motor up well the rear cross will need to be notched and it would be a good idea to cut away the firewall to make room and refabricate a new section for more clearance.
Coleon, on this board has an h22a crx. It takes alot of work.
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Don't bother giving me "rep", I won't return it and I think it is stupid.
Gracie Barra Clearwater
Gyms in Clearwater, St. Pete and Port Richey
pm me if you are interested in trying a free class at any of the gyms.