Engines and Components› Engines, Blocks and Components

Dart

SBC IRON BLOCK LS NEXT GEN II FULLY SKIRTED 9.240IN DECK 4.000IN BORE L

$6,389.26

SKU: D00Q 31837111-WW1

In Stock
In Stock
Ships by Jun 12
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Dart 31837111-WW1 is a bare engine block designed for GM LS-Series engines. It features a 4-inch bore, 9.240-inch deck height, 4-bolt mains, and 0.375-inch extended cylinder barrels, constructed from iron. This is not a complete crate engine with specific vehicle fitment, but rather a component for building custom engines within the GM LS-Series platform.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDart
Part NumberD00Q 31837111-WW1

Videos

Inside Dart’s LS Next Iron Block: Choosing the Right Block for Your Next Build

Inside Dart’s LS Next Iron Block: Choosing the Right Block for Your Next Build
Dart GM LS Block Comparison

Dart GM LS Block Comparison
New DART SHP LS NEXT PRO Features

New DART SHP LS NEXT PRO Features
Ls Dart block vs LS2 block

Ls Dart block vs LS2 block

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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