Dart Engine Block 31264344; Big M Aluminum 4.250 in. Bore Aluminum 4-Bolt Mains for Chevy 396-454

Price:	$6,999.99

Brand:

Dart

SKU:

DRT31264344

UPC:

807051017137

Box Dimensions:

22.25 × 20.5 × 15 in

Box Weight:

195 lb

This item has a $350.00 oversized shipping charge

(Valid on orders shipped within the contiguous United States. See Shipping Policy page for more details)

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Description & Specs

Series:

Big M Aluminum

Make:

Chevy

Engine:

396-454

Deck Height:

9.800 in.

Bore Size:

4.250 in. Bore

Block Material:

Aluminum

Main Caps:

4-Bolt Mains

Main Material:

Steel

Main Seal:

2-Piece

Quantity:

Sold As Each

Standard 9.800? or 10.200? tall deck heights available for stroker engines
4.250?, 4.500? or 4.600? bore sizes standard
Ductile Iron sleeves with extra thick cylinder walLS2 promote excellent ring seal
Reinforcing ribs strengthen the lifter valley and bell housing flange
Inboard valley head stud bosses improve head gasket sealing
Priority main oiling system delivers oil directly to the crankshaft bearings to enhance reliability at high engine speeds
Steel 4-Bolt main caps or Ductile Iron and optional Aluminum caps. Splayed outer bolts for extra strength
Dual bolt patterns for standard BBC and notched oil pans
HIP (Hot Isostatic Pressed) Casting
Parts kit included (PN 32000006)

Based on the Chevrolet big block V8 design, these Aluminum blocks feature extra strengthening in critical areas, increased displacement capacity, true priority main oiling and precision CNC machining. Conventional configuration that retains all production dimensions for compatibility with standard components. Advanced engineering makes Dart Aluminum big blocks the choice for serious competition.

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