DART LS NEXT SHP IRON BLOCK 4.125" DA31867211

LS Next SHP Cast Iron Engine Block 4-Bolt Steel Caps
4.125" Bore, 9.240" Deck, Full Skirt Block

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.

• Dart 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.
• All OE bolt holes for starter, water pump, etc.