Dart Engine Block 31711112; Race Series 4.000 in. Aluminum 4 Bolt Mains for Chevy SBC 350 Mains

Details

• Deck heights from 8.850? to 9.500? provide maximum versatility. Cylinder barreLS2 are extended at the bottom for better piston support with long strokes
• Raised camshaft (+.391?) provides more clearance for stroker cranks and eliminates need for fragile small base circle cams. Option for .434? raised cam
• Siamesed 4.000? or 4.125? cylinders can be safely bored to 4.165?. Ductile Iron sleeves and extra thick walLS2 produce excellent ring seal
• Requires use of remote oil filter. No provision for block mounted filters
• Relocated oil pan raiLS2 are spread .400? per side (.800? wider than stock). Oil pan bolt holes are relocated in line with main caps
• Big block camshaft bearings allow the use of cams with larger base circle diameter to improve strength and reduce twisting with cam driven pumps
• Rear external oil inlets, with crossovers and restrictor provisions located centrally in the valley to simplify plumbing with external pump
• Parts kit included (PN 32000012 )

• Relocated oil pan raiLS2 are spread .400? per side (.800? wider than stock). Oil pan bolt holes are relocated in line with main caps
• Big block camshaft bearings allow the use of cams with larger base circle diameter to improve strength and reduce twisting with cam driven pumps
• Rear external oil inlets, with crossovers and restrictor provisions located centrally in the valley to simplify plumbing with external pump
• Parts kit included (PN 32000012 )

Product Description