Bore Size: 4.000 Deck Height: 9.025 350 Mains Dart's new Special High Performance (SHP) small-block meets the need for an affordable, precision-machined cast-iron block with superior features. Designed for high-performance and heavy-duty applications producing up to 600 horsepower, the SHP block is the ideal starting point for hot rodders, drag racers, circle track competitors, off-roaders, and high-performance marine enthusiasts. Your block can arrive ready to assemble with freeze plugs installed, camshaft bearings installed and the cylinder block machined to your specifications. Please contact us regarding pricing for this additional feature. |