ALUMSMALL-BLOCK CHEVYBBC4

Dart aluminum small blocks, available in standard (9.025") and tall deck (9.325" to 9.500") versions. Features include raised camshaft (.391" or .434" option) for stroker crank clearance, relocated oil pan rails (.800" wider than stock) to reduce windage, siamesed cylinders (4.000" or 4.125", boreable to 4.185") with ductile iron sleeves, relocated oil pan bolt holes, main bearing bores for 350 (2.45") and 400 (2.65") bearings, 4-bolt billet steel main caps with splayed outer bolts, big block camshaft bearings, dual starter mounts, front/rear external oil inlets, scalloped outer water jacket walls for improved coolant flow. Coated cam bearings, freeze plugs, and dowels are included. Available fully finish prepped.