C N Blocks BBC 4.84" BC Cross Bolted +.400" Raised Cam


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Bolt Big Block Chevrolets
4.840” Bore Space (BASE PRICE SHOWN)

These blocks are intended for serious blower racers utilizing BBC based engines. The 1040Y can be used as a replacement block for KB Olds or Arias New Century blocks. The 1041Y raises the cam to +.400” for larger cam cores and better push rod geometry. The 1050Y & 1070Y are cross bolted, 5.0” bore space, BBC blocks. These blocks are intended for use in radical blower combinations. The 1050Y features spread .160” mains and a +.400” high cam, while the 1070Y raises the cam to +1.0”. These blocks allow the motor builder to use bores of 4.600” to 4.750”.
· Premium CN Billet material
· CNC machined at CN Blocks
· Includes block, caps, main studs, and sleeves installed
· Standard deck heights available: 10.2” and 10.7”
· Optional deck heights from 9.5” to 10.7”
· Big Block Chevrolet main size
· Aluminum main caps
· All 5 main caps are cross bolted
· 9/16” Tool steel main studs, 1/2” side bolts
· Cam sizes available: BBC, 2.125” 55mm, 60mm, or 65mm
· Lifter angle to match cylinder heads
· Lifter sizes available: .842”, .904”, .936”, 1.00”, or 1.062”
· Optional Jesel keyway bushings
· Stock distributor locations or distributor delete
· Priority main based oil system
· Special CN Blocks cam oil cross
· #12 AN oil inlet
· Wet sump available on 1040Y & 1041Y
· Dry sump or external wet sump only on 1050Y & 1070Y
· KB Olds or CN Blocks wide pan pattern
· GM bell housing pattern
· Dual started bosses
Models Available
1040Y
4.840" Bore Space
+.250 high cam
Cross bolted cap
Dry block
BBC
1041Y
4.840" Bore Space
+.400 high cam
Cross bolted cap
Dry block
BBC
IF YOU ARE BUILDING YOUR OWN ENGINE AND NEED THIS BLOCK MACHINED PLEASE SEE BLOCK MACHINING AND WE WILL PRECISION MACHINE IT FOR YOU.

  • Model: CN 1041Y
  • Shipping Weight: 160lbs
  • 1 Units in Stock
  • Manufactured by: Nelson Competition, Inc.


This product was added to our catalog on Monday 22 August, 2011.

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