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Home Chevrolet LS
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    Chevrolet LS Head Stud Kit

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    • Chevrolet, LS
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LS

LS

The "LS engine" is a 3rd and 4th generation small-block V-8 gasoline engine used in General Motors' vehicles. The name evolved from the need to differentiate the Gen 3/Gen 4 small blocks from the original Gen 1/Gen 2 small blocks released in 1954, which are commonly referred to as "Small Block Chevrolets". The "LS" name originates from the engine RPO code of the first Gen 3 small block, the LS1, introduced in the 1997 Corvette.

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