These Hooker BlackHeart long tube headers are designed for the popular GM G-Body vehicles using a Small Block Chevrolet engine. These headers use 1-3/4 inch primary tubes, with square port flanges, that lead to a long transition 3.0-inch collector with a merge spear to increase exhaust pulse velocity. Constructed from light weight 18-gauge, mandrel bent, 304 stainless steel for maximum exhaust flow and durability. These headers include O2 sensor bungs that can be used for EFI applications or for air/fuel meters (plugs also included). Tube geometery is designed for maximum ground and tube clearance for a hassle-free installation. All hardware is included. These headers are designed to be used with Hooker BlackHeart's 70501364-RHKR exhaust system.
Features:
- Long Transition 3.0-Inch Header Collectors Feature Merge Spears For Maximum Flow And Increased Exhaust Velocity
- Constructed From 1-3/4 – Inch Lightweight, 18 -Gauge, Mandrel Bent, 304 Stainless Steel, Maximizing Strength And Durability
- 3/8-Inch Thick, CNC Waterjet Header Flanges Are Used For Strength And Maximum Sealing Surface
- 100% Quality Hand-Welded Construction For Strength, Longevity And Good Looks
- Tube Geometry Designed For Maximum Ground And Tube Clearance And Hassle-Free Installation
- O2 Bungs Included For Compatibility With EFI Systems Or Air/Fuel Ratio Meters (Plugs Also Included)
- All Hardware Included
- Manufacturer’s Limited Lifetime Warranty