Hooker Blackheart Long Tube Header-S/S LS Swap Header - BH14365 instrument-panel-lights Bolt Spacing on the Wider

Bolt Spacing on the Wider Side: 4-inch

8 L L6 1974 - 1980 Jeep Cherokee 258/4

check out exhaust system part# 817472

2 V8 1987 - 1990 GMC V3500 454/7

) 12 Substrate Material Ceramic Inlet Attachment Weld-On Air Tube Adaptable No Type Universal Subtitle Federal / EPA Compliant Outlet Diameter (In

Hooker Blackheart Long Tube Header-S/S LS Swap Header - BH14365 instrument-panel-lights Bolt Spacing on the WiderThese swap headers allow enthusiasts to drop an LS engine into the ever popular 1955 1957 Chevy. These new headers were designed to fit only with a 605 box or stock steering setup. They are a true 1 7 8 inch long tube design to sufficiently maximize the torque and horsepower of the free breathing LS engines and constructed of 304 stainless steel. Features: True long tube design to maximize performance potential of the LS engine Thick plate steel