IN STOCK & READY TO SHIP!!Smeding Performance is now offering Dart LSN SHP engines blocks in a ready to assemble package! This engine block is fully machined with cam bearings, freeze plugs & oil galley plugs installed. Cylinders have been deburred & stroker clearanced as well!  Dart PN: 31867211 4.125" Final Cylinder Bore Diameter CNC Plateau Honed w/ Dual Torque Plates CNC Parallel Surfaced Decks Cylinders Deburred Top & Bottom Stroker Clearanced up to 4.125" w/ Steel Rods ...

Smeding Performance is now offering Dart LSN SHP engines blocks in a ready to assemble package! This engine block is fully machined with cam bearings, freeze plugs & oil galley plugs installed. Block is machined for 1/2" Head Studs. Cylinders have been deburred & stroker clearanced as well!  Dart PN: 31867212 1/2" Head Stud Threads 4.125" Final Cylinder Bore Diameter CNC Plateau Honed w/ Dual Torque Plates CNC Parallel Surfaced Decks Cylinders Deburred Top & Bottom Stroker Clear...