Designed for high performance and medium duty applications, the SHP LS Next Block is the ideal starting point for hot rodders, drag racers, circle track competitors, off-roaders, and high performance marine enthusiasts. Available in 4.000 bore and 4.125 bore.
4.000 bore part# 31867111 4.125 bore part# 31867211Dart priority main oiling system with provisions for stock oil filter mounting. Siamesed cylinder bores with thick walls. Cylinder barrels extended .375” at the bottom of the bores. Thick decks ensure reliable head gasket seal. Blind head bolt holes. 6 bolt per cylinder capability. Scalloped water jackets increase flow around cylinders for better cooling. Clearanced up to 4.100” stroke w/ steel rods. Splayed outer bolts on middle main bearing caps. Provisions for LSX roller lifters and cam. Uses OE front and rear covers. Does NOT Includes coated cam bearings, freeze plugs and threaded plugs (Need to Order Seperate) All OE bolt holes for starter, water pump, etc.
