Swap Long Tube Headers 1-7/8FOR Chevy GMC C10. 100% brand new, Never been tried or installed. For LS motor swap on 60-98 Chevy/GMC trucks (2WD). Fits LS based engines LS1, LS2, LS3, LS6, LS7, etc. Full length design for power gain from mid to high RPM range. Long transition collector for decreased back pressure. Fully mandrel bent tubes made of 16-gauge 304 stainless steel. Flanges flattened by hydraulic press for precise and leak-free seal. Flanges chrome plated for corrosion resistance. Polished surface for extra protection against rusting.