1985 GMC Sierra 1500

350 small block 400+ HP engine built by White Performance in Kingsport TN. Motor is ALL brand new â?? not rebuilt â?? every piece including the block is brand new, from top to bottom LT rods, Nodular crank, Hypereutectic pistons, fully balanced. Lunatti Voodoo series cam 488 â?? 510 lift HYDR. Flat tappet Cloyes Street True double roller timing chain Melling high pressure oil pump Patriot CNC bowl blended aluminum alloy heads milled to 60cc 190cc combustion chambers