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ATK High Performance GM 383 Stage 1 Marine Long Block Crate Engines

Replace the tired small block in your boat with ATK High Performance GM 383 Stage 1 marine long block crate engines. They are built from the ground up with off-shore performance in mind. These hand-built and balanced engines utilize Vortec power and stroker torque to produce an awesome 345 hp and 445 ft.-lbs. of twist that will get you moving on the open water. Each engine features brass freeze plugs and corrosion-resistant marine gaskets to keep the engines healthy and reliable. ATK GM 383 Stage 1 Marine long block crate engines include: * Handpicked, remanufactured blocks * Dart Iron Vortec cylinder heads * Nodular steel crankshaft and 4340 I-beam connecting rods * Hypereutectic pistons * Hydraulic roller camshaft * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube

5.0 out of 5 stars ( 5 )