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Roller Crate Engine
When you need to replace the old small-block in your vintage Mustang, it's a good time to upgrade to a modern powerplant. The 340hp GT-40 long-block from Ford Racing (M-6007-X302B for manual transmission, X302E for either auto or manual) is a 302ci engine that provides aluminum GT-40 heads, hydraulic roller camshaft, forged pistons for a streetable 9.0:1 compression ratio, double-roller timing chain set, and roller rocker arms. Due to its 289 lineage, vintage valve covers, intake manifolds, and other components bolt right on, so you can dress the GT-40 to look just like a classic 289.