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Dart Race Series 4.5 Bore Space Aluminium Small Block Chevys Cam Diameter: 50mm

SKU: 31512313


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Dart Race Series 4.5 Bore Spacing Aluminum Small Block Chevy Blocks

The Race Series Aluminum block features cylinder bores which have been spread to 4.500 in. from the standard 4.400 in. center to center dimension This allows larger bore diameters while maintaining adequate cylinder wall thickness and gasket sealing surface between bores
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.

Industry Automotive
Camshaft Location Raised 0.391 IN
Cylinder Bore Diameter 4.180 IN
Deck Height 9.025 IN
Engine Block Weight 105 LBS
Freeze Plug Type Screw-in
Camshaft Lifter Bore 0.824 IN
Main Bearing Type Chevrolet 350
Material RMR Cast Aluminum Alloy
Rear Main Seal Type 2-Piece
Engine Type ICE
Product Type Engine Block

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You're viewing: Dart Race Series 4.5 Bore Space Aluminium Small Block Chevys Cam Diameter: 50mm £10,667.00
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