Provide Outstanding Torque & Horsepower Over A Wide RPM Band Ceramic Coated For Long Life & Good Look Bolt-On Installation Header Tube Size Is 1-3/4 & Collector Size Is 3 For Off-Road Use Only/Not Legal For Sale Or Use In California Includes Header Gaskets, All Mounting Hardware & Instructions Fits D-Port Cylinder Heads Including ZZ4 Crate Engines Will Not Fit With Saginaw Close Ratio 825 Steering Box Will Fit Most Angle Plug Heads Including Factory Chevrolet Bow-Tie Heads Requires Removal Or Modification Of Locking Steering Columns If Equipped Fits Both Manual And Automatic Transmission When it's time to select headers for the street your most important criteria should be the most torque and horsepower over widest possible RPM band. And Doug's Headers deliver both in a big way. These 1967, 1968, 1969 headers are tuned with the proper tube size and length to efficiently remove all of the exhaust from each cylinder and reducing pumping losses. In addition you will find the fit and finish are superb and you'll have years of leak-free operation because of Doug's extra thick flanges.
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.