ATK Machined Dart LS Next Cast Iron Bare Blocks 31867211

$3,600.00

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Lead Time: Typically In Stock

Quantity
SKU: 31867211-ATK Categories: , , ,

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Description

Looking to make more power than a stock block can handle? This Dart LS SHP block comes machined by ATK to the same specs we use for every engine assembly we offer and has the cam bearings installed. It will be ready to assemble after checking clearances per your application. This block comes powder coated black as a free upgrade.

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.

FEATURES
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).

Deck Height: 9.240″
Cylinder Bore: 4.125″
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

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