Features:

• Laser cut 3/8” flanges with flat-finished TIG welded port sealing
• Premium fitment with optimized ground clearance. The only 1975-81’ specific header design in the marketplace
• 1-7/8” primaries/3" collectors
• Designed and intended for installation only with Hooker LS swap engine mounting brackets and transmission crossmembers for this application. Will not install with any other brand of mounts
• Will not install with factory column shift linkage, Lokar or similar aftermarket shift cable or linkage required for column shift applications
• Automatic and manual transmission compatible
• Compatible only with stock height subframe/body mounts. Installation with half-height mounts will require modification to vehicle floor panels
• Connects directly to Hooker 3” 2nd-gen F-body exhaust system.Connection to 2-1/2” Hooker 2nd-gen F-body exhaust system requires the use of an available mid-pipe kit
• Compatible with Quick Time™ bellhousings, mechanical clutch linkage (requires custom Z-bar/pivot ball assembly), stock A/C evaporator case on firewall, straight boot spark plug wires and Holley LS swap oil pan and accessory drive brackets

About Hooker BlackHeart

Shop the official site of Hooker BlackHeart and explore exhaust systems, engine swap kits, and mufflers for both import and domestic vehicles at Holley.com!

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