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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
The Speedmaster blocks are cast from high-density iron with extra-thick cylinder walls and decks
Designed for precision fitment and easy installation
The unique
Pro Street
1966-83 trucks and Suburbans
Ford Mustang 2011-2013 Long Tube Black Steel Exhaust Header The Speedmaster blocks are castIncrease your horsepower and torque for your ride just bolt on these Speedmaster headers! These headers are designed with 3 8 in. thick laser cut flanges and mandrel bent primary tube. If your vehicle is using aftermarket components, parts from other applications, or custom altered parts, then it is the installer's responsibility to verify fitment.
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