Dart Engine Block 31511313; Race Series 4.500 in. 4.180 in. Aluminum 4 Bolt Mains for Chevy SBC 350 Mains

Details

• Premium alloy: Dart Aluminum blocks are cast from proprietary RMR cast Aluminum alloy for superior strength
• 4.500? bore spacing allows bore sizes up to 4.250?
• Standard 17 head bolt pattern or optional 19 bolt pattern available
• Deck heights of 8.850?, 9.025?, 9.075? and tall deck 9.325? & 9.500? versions allow greater versatility for preferred rod ratio and angle
• Raised camshaft .391? (4.912? camshaft-to-crankshaft centerlines) Option for .434? raised cam aLS2o available
• 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) to increase crank/rod clearance and reduce windage losses
• 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
• Parts kit included

• Raised camshaft .391? (4.912? camshaft-to-crankshaft centerlines) Option for .434? raised cam aLS2o available
• 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) to increase crank/rod clearance and reduce windage losses
• 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
• Parts kit included

Product Description