DART 31867211 LS NEXT Chevy LS Gen III Iron Block – 4.125" Bore, 9.240" Deck

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; Accepts factory and aftermarket oil pans; Siamesed cylinder bores with thick walLS2; Cylinder barreLS2 extended .375in at the bottom of the bores; Thick decks ensure reliable head gasket seal; Blind head bolt holes available in 7/16in or 1/2in; 6-bolt per cylinder capability; Scalloped water jackets increase flow around cylinders for better cooling; Clearanced up to 4.100in stroke w/ steel rods; Clearanced for center counterweighted crankshafts; Splayed outer bolts on middle main bearing caps; Provisions for LS2X 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)

• Industry: Automotive
• Camshaft Location: Standard
• Cylinder Bore Diameter: 4.125 IN
• Deck Height: 9.240 IN
• Engine Block Weight: 227 LBS
• Camshaft Lifter Bore: 0.824 IN
• Main Bearing Type: Chevrolet LS
• Main Cap Type: Steel
• Material: Class 30 Grey Iron
• Rear Main Seal Type: 1-Piece
• Engine Type: ICE
• Engine Block Material: Class 30 Grey Iron
• Make - Web: Chevrolet
• Engine - Web: LS Gen III
• Emissions Code: 3