Gen V LT Cast Stainless Steel Header Flanges - As Cast

***Qty 1 will get you 4 individual flanges, which is enough for both sides.Are you looking to build your own custom headers for your Gen V LT engine? Do you require a high strength, lightweight header flange? Do you want a unique design, one that sets the header apart from all others? The distinctive Ultimate Headers investment cast Stainless Steel flanges are available separately to meet your need for a custom-fabricated headers! Because of the attention paid to creating not only the unique appearance, but to the physical properties, Ultimate Headers flanges are lighter than flat stock materials (mild steel & SS), are exceptionally strong and deliver excellent clamping forces to the cylinder head! FEATURES:  Patented design (U.S. Patent US D700,554 S) Feature aerospace derived engineering techniques and metallurgical processes 316L Grade Stainless Steel delivers a very strong casting with heat and corrosion resistance Flange rib design gives exceptional strength and reduced weight A perfect match with Unique Headers 316L Stainless Steel cast tight radius header elbows Runs cooler due to increased surface area, thus further reducing tendency to warp Comes as a set of 4, covering both sides.  Hole size / primary size 1.875" aka 1 7/8"