The Chevy 454 short-block option, priced at $5,481.69, provides the same four-bolt main cast-iron engine block and rotating assembly as the $8,971.76 454HO complete crate engine option.

Next up, the 454 HO delivers 438 hp at 5,300 rpm and 500 lb-ft ... big daddy ZZ632/1000 is the largest and most potent crate engine in Chevrolet’s long and illustrious history.

Rare LS-7 Crate Engine Finally Fired Up After Sitting in a GM Crate for 44 Years. A N.O.S. LS-7 454 big-block Chevy from 1979 runs for the first time at Westech Performance—read what happens!

General Motors LSX454R crate engine at Barrett-Jackson – Click above for high-res image gallery. It’s not just cars and trucks that are auctioned off each and every year at Barrett-Jackson.