CROSS BOLT BBC 1040YW Series
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1040YW This block is intended for serious blower racers utilizing GM bolt pattern heads. The 1040Y can be used as a replacement block for KB Olds or Arias New Century blocks. The 1041Y raises the cam +.400" and allows the engine builder to adjust rush rod geometry.
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4.840" Bore space
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+.250" Cam height
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Premium CN Billet material
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CNC machined at CN Blocks
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Includes block, caps, main studs, and sleeves (installed)
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Deck heights10.2, 10.4 and 10.7
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Big Block Chevrolet main size
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Aluminum main caps
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All 5 main caps are cross bolted
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9/16 main studs, 1/2 side bolts
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Cam size stock GM
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GM Lifter angle
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Lifter sizes .842", .904, or .936"
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Stock distributor location or distributor delete
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Priority main based oil system
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Special CN Blocks cam oil cross
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#12 AN oil inlet
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Dry sump or external wet sump only
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KB Olds oil pan pattern
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GM bell housing pattern
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Dual starter bosses
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Water cooling
OPTIONS:
Non standard deck height
Non standard cam size
Sleeves
Head stud kits
