Hemi
Hemispherical piston heads introduced by Chrysler

Muscle car
An American 2 door sedan with outstanding V8 horsepower built for straight line performance

Pony car
A factory 2 door car built for circuit racing but available to the public

Heads
The section of engine that houses the valves and rocker gear

Headers
Tuned exhaust tubulae manifolds designed to create horsepower

Fender
An American term for the Wiing of a car

R/T
Road and Track a Mopar term for its performance vehicles