Spool Performance Darton Mid Sleeved M157 Engine Block

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Introducing the Spool Performance Darton Mid Sleeved M157 Engine Block, a superior solution designed to tackle the notorious Mercedes cylinder lining scoring problem. Engineered fo r performance enthusiasts and professional racers, this sleeved block is capable of handling over 1500 horsepower, ensuring unparalleled durability and power. Each M157 engine block undergoes meticulous blueprinting using traceable certified Hexagon CMM machines. This precision ensures that every block meets the highest standards of quality and performance, accompanied by a comprehensive report detailing all relevant dimensions and tolerances. To purchase this item, you will need to provide a block or opt for a core exchange. The Core Exchange Fee is $7499. Scope of Work: Machine and Install Darton Mid Sleeves Bore and Hone to a final tolerance of 0.0001" to the required piston to bore clearance Machine Deck surface to ensure flatness and surface finish Electro and Vibration Check for Sleeve seating Show more