Dart Engine Block 31122222; Iron Eagle 4.125 in. Cast Iron 4 Bolt Mains for Chevy 400

Details

• 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

• 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

Product Description