Dart Engine Block 31122212; Iron Eagle 4.125 in. Bore Cast Iron 4-Bolt Mains for Chevy SBC 400 Mains

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Price:	$5,499.99

Brand:

Dart

SKU:

DRT31122212

UPC:

807051016031

Box Dimensions:

24 × 19 × 14 in

Box Weight:

230 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:

Iron Eagle

Make:

Chevy

Engine:

SBC 400 Mains

Deck Height:

9.025 in.

Bore Size:

4.125 in. Bore

Block Material:

Cast Iron

Main Caps:

4-Bolt Mains

Main Material:

Steel

Main Seal:

2-Piece

Notes:

BBC Cam Journals w/ Raised .391 in. Cam Location

Quantity:

Sold As Each

Standard 9.025? and tall deck 9.325? versions allow greater versatility
Custom deck heights as low as 8.200? and as tall as 9.400? available
Raised camshaft .391? (4.912? camshaft-to-crankshaft centerlines) provides more clearance for stroker cranks and eliminates need for fragile small base circle cams. Option for .434 raised cam aLS2o available
Relocated oil pan raiLS2 are spread .400? per side (.800? wider than stock) to increase crank/rod clearance and reduce windage losses
Requires use of remote oil filter. No provision for block mounted filters
Oil pan bolt holes are relocated in line with main caps to eliminate interference with rotating assembly
Big block camshaft bearings allow the use of cams with larger base circle diameter to improve strength and reduce twisting with cam-driven pumps (small block cam tunnel available)
Dual starter mounts allow starter to be mounted on either side of block for chassis and oil pan clearance
Front & rear external oil inlets, crossovers and restrictor provisions to simplify plumbing with external pump
Parts kit included

Iron Eagle small blocks are available in standard (9.025 in.) and tall deck (9.325 in.) versions so you can select the crankshaft stroke and connecting rod length that's right for your combination. We raised the camshaft and spread the oil pan rails to provide extra clearance for stroker cranks. The versatile Iron Eagle block is the perfect starting point for a big cubic inch small block project.

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