Mast Motorsports Ls7 Crate Motor Gm Block
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The LS7 SS starts with a brand-new GM block that's then zero decked, align-honed, and finished honed to 4.125 inches. Even with a fresh block, these machining procedures optimize quench and ring seal, and eliminate potential crank binding. Afterwards, the outside of the block is deburred. View Related Article
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