These Long tube headers are designed for 3rd Gen F-bodies with small block Chevy engines. They are built with 304 stainless steel for maximum corrosion resistance and light-weight. They have a 3/8 inch flange to prevent warpage and include a collector merge spear for maximum exhaust flow, balance and velocity.
Features:
- Designed To Provide Optimum Spark Plug Boot Clearance
- Constructed From Lightweight 18 Gauge Mandrel Bent
- Feature Merge Spears For Maximum Flow/Increased Exhaust Velocity
- O2 Sensor Bungs To Simplify EFI Installation If Desired
- 3/8 Inch Thick Flanges
- 100 Percent Quality Hand-Welded Construction For Strength
- All Hardware Included
- Manufacturer 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
Installation Notes:
Installation Notes:
*Designed work with Hooker Blackheart 70501326-RHKR and 70501426-RHKR dual exhaust systems when using the Hooker 71222005HKR transmission cross member.
*Designed for angle plug cylinder heads.
