Dart 31867111; SHP LS NEXT; LS; 9.240" Deck; 4.000" Bore; Iron Block

SKU: DRT-31867111

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.
  • Full skirt design.
  • Accepts factory and aftermarket oil pans.
  • Siamesed cylinder bores with thick walls.
  • Cylinder barrels extended 0.375" at the bottom of the bores.
  • Thick decks ensure reliable head gasket seal.
  • Blind head bolt holes available in 7/16" or 1/2".
  • 6-bolt per cylinder capability.
  • Scalloped water jackets increase flow around cylinders for better cooling.
  • Clearanced up to 4.100" stroke with steel rods.
  • Clearanced for center counterweighted crankshafts.
  • 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.
  • Windage trays.
  • Parts kit included (PN: 32000018).

Part Number: DRT-31867111
Material: Class 30 Grey Iron
Deck Height: 9.240"
Cylinder Bore: 4.000"
Cylinder Bore Max: 4.185"
Main Bearing Size: Stock LS
Main Cap Material: Steel
Main Caps: 4-Bolt 1-5
Cam Location: Stock 55mm
Lifter Bores: Stock 0.842" Diameter
Rear Seal: Standard