Long Blocks
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LSXceleration 385HP 330CI 5.3L 1999-2007 Long Block 24x By ATK
ATK
$4,320.00LSXceleration 385HP 330CI 5.3L 1999-2007 Long Block 24x By ATK This engine was designed to be a performance upgrade for a 1999-2007 Chevy Truck LM7 or LS swap in a hot rod. Expect big mid to upper end power, will have a noticeable idle. For optimal...54-385HP97$4,320.00