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LS4 Engine

1973 LS4 Engine
Josh Boyd·
Engines

1973 LS4 (454CI) Engine Guide: Specs, Features, & More

Was the 454 cubic-inch LS4 one of General Motors’ most powerful big-blocks? Absolutely not. However, it is historically significant nonetheless. The LS4 served as the end of the road for the big-block Corvette, as America’s sports car returned to its small-block roots. Today, many collectors seek out LS4 equipped Corvettes.
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