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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow
The Speedmaster shift selector shaft uses an O-ring to prevent leakage from GM TH400 cases
They're machined from billet aluminum for lasting durability and good looks
supercharged
Chevy SBC 350 Chevelle Camaro 1967-81 Raw Steel Exhaust Headers Speedmaster CNC ported cylinder headsIncrease 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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