Doug's Full Length Headers - 1.875 in Primary - 3.5 in Collector - Ceramic - Pontiac V8 - GM A-Body 1964-72 - Pair 1130203 making them thirty percent stronger Ignition Ballast Resistor WM321250 Size:Adult DYN39475

making them thirty percent stronger than standard 3/4" rod ends

Uses Holley Water/Meth solenoids specially designed and calibrated for use with this EFI system to allow the user to enter Water/Meth flow as a percentage of fuel injector flow for Water/Meth tu

Prevents expensive engine damage

It is not designed to be compatible with top-fuel/nitro drag racing or catalytic converters found in most street cars

5" - Short - Replaces Chevrolet OEM (3990914/3988989/3777409/3989488) - 2 pc

Doug's Full Length Headers 1.875 in Primary 3.5 in Collector Ceramic Pontiac V8 GM A Body 1964 72 Pair 1130203 making them thirty percent stronger Ignition Ballast Resistor WM321250 Size:Adult DYN39475 making them thirty percent stronger than standard 3 4" rod ends Uses Holley Water Meth solenoids specially designed and calibrated for use with this EFI system to allow the user to enter Water Meth flow as a percentage of fuel injector flow for Water Meth tu