For Sale: Rare 454 LS-7 “XCH” over the counter crate engine.
$8,800
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This is the rare 454 LS-7 engine. (7.4L/ 12.25-1 compression ratio) sold over the counter from 1973-… View More

Rare 454 LS-7 “XCH” over the counter crate engine.
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