Even if items shows out of stock, please give us a call we might be able to build you the kit Our Performance Plus Type 4 engine kit starts out as small big bore with options to build all the way to a 3.0L. In addition to the standard parts on the Performance Engine kit, the Performance Plus Engine kits comes with JE 2618 Forged pistons. These completed combos are a simple way to build a large displacement engine with minimal machine work. This kit features the following parts: New Chromoly 4340 Counter-weighted Crankshaft.H-Beam Rod Set with ARP boltsNew Chromoly Flywheel Forged JE Piston & Cylinder kit High Quality Rod Bearings High Quality Cam Bearing SetHigh Quality Complete Gasket set with Front & Rear Main SealsPlease select the engine size above : No Machine Work Required 2257 Machine Work Required * 2665, 2117 Machine Work Required ** 2732, 2785, 2799, 2853, 2908, 2865, 2921, 2978 *Case and Heads will need to be opened to the appropriate Bore size ** Case and Heads will need to be opened to the appropriate Bore size & Case will need to be Stroker Clearanced for the larger crank.