WHAT DOES 454SS FOR SALE MEAN?

I'm advertising a pleasant 1972 Chevrolet (Chevy) Chevelle SS 454 Tribute motor vehicle. A true American muscle mass mass motor vehicle or truck. The motor vehicle incorporates a fresh 454 Big BLOCK motor with about 8k miles that Appears great all through the aftermarket headers and twin exhaust. The motor is back again by an automated Th400 automo