Dart 31395235 SBF Iron Eagle Engine Block 4.125 Bore 9.500 Deck Height

Dart

<p>Since Richard Maskin founded Dart in 1981 in a two-car garage in Oak Park, Michigan, the company has evolved into one of the most respected names in high-performance engine components. What began as a passion project by a mechanical mastermind has become the proven leader in aftermarket cylinder heads, intake manifolds and engine blocks. Dart's commitment to innovation and quality has made them a trusted partner for professional racers and enthusiasts who demand championship-caliber components.</p> <h3>Engineering Excellence in Every Component</h3> <p>Dart Machinery's reputation is built on a foundation of precision engineering and rigorous quality control. All development, machining, and assembly take place at Dart's facilities in Warren, Michigan, ensuring consistent performance across every product line. The company employs aerospace quality alloy castings that are 100% made in the United States from start to finish, utilizing premium materials designed to withstand the extreme heat and pressure demands of high-performance engines.</p> <p>The brand's manufacturing process leverages cutting-edge technology including state of the art CNC machining centers, a computer controlled dynamometer and the proprietary "Speed Flow" technology / wet flow bench. These advanced tools enable Dart to optimize airflow characteristics and maintain exact tolerances that separate good components from great ones.</p> <h3>Foundation Strength with Dart Engine Blocks</h3> <p>At the heart of any serious build lies a robust foundation, and <a href="/164-dart-engine-block-5236">Dart engine blocks</a> deliver the structural integrity needed for extreme power applications. Dart Machinery's high-performance engine blocks are designed to deliver unparalleled strength and durability, with a wide selection of meticulously engineered blocks, including cast iron and aluminum options, crafted to handle maximum power reliably. Whether you're building a small-block Chevy, big-block Chevy, Ford, LS, Hemi, or even a Toyota 2JZ platform, Dart offers precisely manufactured blocks designed to handle the most demanding applications.</p> <h3>Maximizing Airflow with Cylinder Heads</h3> <p>Complementing their legendary blocks, <a href="/164-dart-engine-cylinder-head-5304">Dart cylinder heads</a> represent decades of research and development in airflow optimization. Dart's extensive selection of high-performance cylinder heads is meticulously engineered to maximize airflow, with options designed for high-performance street cars and all-out race cars. From the affordable Iron Eagle and Pro1 series to specialized racing heads, each design reflects Dart's commitment to extracting maximum power from every cubic inch of displacement.</p> <h3>Complete Induction Systems</h3> <p>To complement their blocks and heads, Dart produces <a href="/164-dart-engine-intake-manifold-5536">intake manifolds</a> engineered to work in harmony with their cylinder head designs. These manifolds feature optimized runner lengths and plenum volumes matched to specific performance applications, ensuring proper fuel distribution and maximum volumetric efficiency.</p> <p>For builders seeking complete convenience, Dart offers <a href="/164-dart-engine-short-block-5244">short block assemblies</a> that combine their precision-cast blocks with quality internal components, providing a reliable foundation ready for top-end installation. Even seemingly minor components like <a href="/164-dart-engine-oil-drain-plug-5560">engine oil drain plugs</a> receive Dart's attention to detail, ensuring every aspect of the engine build meets professional standards.</p> <h3>Race-Proven Heritage</h3> <p>Dart's credentials extend far beyond the dyno room. Dart's first products were purpose-built Hemi cylinder heads that quickly dominated Top Fuel and Funny Car classes and ultimately helped shatter the barriers of 300 mph. This racing pedigree continues today, with Dart components powering winners across drag racing, circle track, road racing, and street performance categories. The company's willingness to push boundaries is evident in innovations like their recent introduction of the world's first aftermarket cast-iron Toyota 2JZ block, demonstrating their commitment to serving emerging performance markets.</p> <p>When serious engine builders need components that combine proven durability with maximum performance potential, Dart Machinery delivers championship-winning solutions backed by over four decades of engineering excellence and racing success.</p>