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These Hooker BlackHeart LS swap headers fit 1968-1974 GM C-10/20 2WD Trucks, and 1973-1974 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 (1973-1974 C10/C20 & 1973-1974 Blazer/Jimmy), or BHS511 engine mounting brackets (1968-1972 C10) w/ the narrow frame rails.
Fits 1973-1974 C10/C20 & 1973-1974 Blazer & Jimmy - Use w/ Premium Engine Mounting Brackets BHS540
Choose from Long Tube Headers w/ 1-3/4" or 1-7/8" Primary Tube Diameter & 3" Collectors
304 Stainless Steel Construction - for Strength & Corrosion Protection
Compatible with Holley Low-Mount Accessory Drive System - for Compact Accessories & a Great Look Under the Hood of Your C10
Use w/ Premium Mounts on 1973-1974 2WD C10/C20 & 1973-1974 2WD Blazer/Jimmy - Premium Mounts Allows Future Engine Changes to GM Gen-V LT
Compatible with Factory OE Style Spark Plug Wires - No Need to Use Special Boot or Heat Wrapped Plug Wires
Easy Installation Since These Headers are Part of the Hooker BlackHeart LS Swap System - All Parts are Engineered & Designed to Work Together for Simple Bolt-In Engine Swap
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