Race Series Chevy Small Block Aluminum Block – 4.180 in. Bore, 9.025 in. Deck

Dart Race Series 4.5 Bore Spacing Aluminum Small Block Chevy Blocks

  • Premium alloy: Dart Aluminum blocks are cast from proprietary RMR cast Aluminum alloy for superior strength
  • Parts kit included
  • 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
SKU BGWK-31512313 Category

$ 12,067.50

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

Additional Attributes:

GTIN: 00807051018790
Camshaft Lifter Bore: 0.824
Camshaft Location: Raised 0.391 IN
Cylinder Bore Diameter: 4.180
Deck Height: 9.025
EBAY Category ID: 33613
Engine – Web: Small Block
Engine Block Material: RMR Cast Aluminum Alloy
Engine Block Series: Race Series
Engine Block Weight: 105
Engine Type: ICE
Engine: Small Block
Freeze Plug Type: Screw-in
Industry: Automotive
Main Bearing Type: Chevrolet 400
Main Cap Type: Steel
Make – Web: Chevrolet
Make: Chevrolet
Material: RMR Cast Aluminum Alloy
Product Type: Engine Block
Prop 65 (C, R or CR): CR
Prop 65 Yes/No: Yes
Rear Main Seal Type: 2-Piece
Rear Main Seal: 2-Piece

Extended Information:

Emissions : CARB Eligible
Life Cycle Status: Available To Order

Packaging:

Quantity of Each: 1
Package UOM: EA
Dimension: 24 x 19 x 14 inches
Weight: 125 PG