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DART LS Next2 Gen III Iron Engine Block 31837121-WW2 – 9.450″ Deck, 4.000″ Bore

Original price was: $5,177.49.Current price is: $517.75.

SKU: 31837121-WW2 Category:

Description

DART LSNEXT² Cast Iron Blocks

The ultimate upgrade for adding strength in the Aluminum or Iron LS Next platform is the LS NEXT² upgrade. This offers larger Billet Steel main caps usingFord (2.750″) or LS (2.560″) mains, that feature 1/2” main studs giving superior clamping force for even higher power levels. Blocks come machined to accept fully counterweighted crankshafts.

FEATURES:

  • 9.240”-9.450” deck height with standard cam.
  • 9.240″, 9.450”– 9.800” deck height with .388” raised cam.
  • Available in Iron or Aluminum (skirted andnon-skirted) blocks with LS (2.560”) or Ford (2.750”) main sizes for improved crankshaft stability.
  • Larger 4 bolt Billet Steel main caps.
  • Clearanced for center counterweighted crankshafts.
  • Priority main oiling system with two lifter crossovers and restrictor provisions
  • Siamesed cylinder bores with extra thick walls
  • Cylinder barrels extended .375″ at the bottom.
  • Extra thick decks ensure reliable head gasket seal.
  • Blind 1/2′ head bolt holes.
  • Scalloped water jackets increase flow around cylinders for better cooling.
  • Clearance for 4.100″ stroke w/ steel rods.
  • Clearanced for center counterweighted crankshafts.
  • 1/2″ main studs, with 4 splayed outer bolts on middle main bearing caps.
  • LS style motor mounts.
  • Provisions for OE stock roller lifter and cam.
  • Uses stock timing covers and stock rear cover.
  • All OE bolt holes for starter, water pump, etc.
  • Driver or passenger side starter mounts
  • Parts kit included (Part32000033). Parts kits do include cam bearings.

Note: Ocean Freight is available to Australia! Contact us for details.