Dart Block 31947221, LS Next Aluminum Block, 9.450 Deck, 4.125 Bore, Fully Skirted

LS Dart Block, Gen III, LS Next, Aluminum, STD LS Mains, 9.450 Deck Height, 4.125 Bore, Fully Skirted, Ships from Dart

$7,249.99

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FREIGHT CHARGE

This part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount.

⚠ PROP 65 WARNING

⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.

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Description

Designed from a clean slate approach the LS Next Aluminum block has addressed the shortcomings of the LS platform and is the ideal candidate for hot rodders, drag racers, circle track competitors, off-roaders, and high performance marine enthusiasts. Features Dart priority main oiling system with provisions for stock oil filter mounting. By utilizing conventional style main caps and oil pans with LS rotating assemblies and related components, Dart has addressed the windage and oil control problems which result from the factory LS engine’s separated crankcase bays.

Priority main oiling system.

Cylinder barrels extended .375” at the bottom

Extra thick decks ensure reliable head gasket seal

7/16” Blind head bolt holes

Scalloped water jackets increase flow around cylinders for better cooling

Clearance for 4.100” stroke with steel rods

**MUST BE clearanced for center counterweighted crankshafts**

Splayed outer bolts on middle main bearing caps

LS style motor mounts

Provisions for OE stock roller lifters 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 (Not available with skirted version)

Parts kit included (Part# 32000035). Parts kits do not include cam bearings

Weight 115 pounds

Specifications

More Information
CNC Part Number	DRT-31947221
Price	$7,249.99
Sold As	Single
Manufacturer's Part Number	31947221
Brands	Dart
Part Types	Engine Block
Departments	Parts
Vehicle Make	Chevy LS
Bore Size	4.125
Deck Height	9.450
Block Series	LS Next
Engine Block Material	Aluminum
Main Caps	Steel
Main Size	LS

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