Stainless Firewalls Item Sale Price J-3 Stainless steel firewall assembly $275.00 J-3 Stainless steel firewall with AFT facing perimeter flange $360.00 J-4 Stainless steel firewall assembly $325.00 J-5 Stainless steel firewall assembly $325.00 PA-11 Stainless steel firewall assembly $385.00 PA-11 Stainless steel firewall with AFT facing flange $475.00 PA-12/14 Stainless steel firewall assembly with perimeter flange attached. $475.00 PA-12/14 Engine cowl support angles (set or 4 each) $50.00 PA-15/17 Stainless steel firewall assembly with perimeter flange attached. $465.00 PA-16 Stainless steel firewall assembly with perimeter flange attached. $475.00 PA-18 Stainless steel firewall assembly with corner reinforcement doublers. Available for Continental or Lycoming engine installations. $465.00 PA-18 Stainless steel firewall with AFT facing flange $525.00 PA-20 Stainless steel firewall assembly with perimeter flange attached. $475.00 PA-20/22 Stainless steel firewall assembly with perimeter flange attached. $480.00 PA-22 Stainless steel firewall assemble with perimeter flange attached. $480.00 Preformed 3/4″ x 3/4″ perimeter flange, either forward or rearward facing for J-3, J-4, J-5, PA-11, or PA-18. (picture of PA-12/14) $95.00