In 1973, the 340 V8 was a pale remnant of the famous Six-Pack small-block, but it was still the best money could put in a factory Challenger. Photo: barnfinds.com ...

Like the original 440 Six Pack/Six Barrel setups from the year prior, the new small-block version used an Edelbrock aluminum ...

The 340 Six Pack (did I mention this was numbers-matching?) is working alongside a period correct 727 automatic gearbox with a Sure Grip Rear End and 3.55 gears. Show me a nicer Challenger T/A ...

Unfortunately, the 340 peaked in its infancy. In 1970, six-pack versions of the Plymouth AAR Barracuda and Dodge Challenger T/A were released.

In the late 1960s, Chrysler created the six pack: ... The new model also offered a small block engine option, the 275-horsepower 340-cubic-inch V8. 1969-½-1971 Plymouth Road Runner 440 6-Barrel.