These Hooker BlackHeart LS swap headers fit 1968-1987 GM C-10/20 2WD Trucks, and 1973-1982 Blazer/Jimmy 2WD vehicles. The long-tube header design provides optimum engine performance with stainless steel construction for strength & corrosion resistance. These Headers are designed for use with BHS540 Premium engine mounting brackets (1973-1987 C10/C20 & 1973-1982 Blazer/Jimmy), or BHS511 engine mounting brackets (1968-1972 C10) w/ the narrow frame rails. Easy installation since these headers are part of the Hooker BlackHeart LS swap system (all parts engineered to work together as a system for simple bolt-in LS engine swap).
Features:
- Lightweight 304 Stainless Steel
- Quality Welds For Strength
- Mandrel Bent Tubing For Max Strength And Durability
- Maximum Flow And Increased Exhaust Velocity
- CNC Waterjet Header Flanges For Max Strength/Sealing Surface
- All Hardware Included
- Limited Lifetime Warranty
Holley Performance Emission Code 4: This part is legal for sale or use on Racing Use Only Vehicles. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
