C N Blocks BBC 4.840 B C, +1.00" Raised Cam, Tall Deck Blocks


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4.840 Bore Space, Raised Cam, Tall Deck Blocks( BASE PRICE SHOWN) The 1005 and 1007 blocks are for larger displacement drag race engine. They feature standard bore spacing and utilize a BBC head bolt pattern. Both versions have a spread pan pattern. Maximum recommended bore is 4.600 for nitrous engines, and 4.625 for normally aspirated. If you are building a large engine, then these models will fix all your block problems.
Premium CN Billet material
CNC machined by CN Blocks
Includes block, caps, main studs, and sleeves installed
Stock bore spacing
Standard deck heights: 11.1 or 11.625
Optional deck heights: 11.0 - 12.0
Stock head bolt pattern
Chevrolet main size
Aluminum main caps
Splay Bolt main caps (front four)
1/2 main studs
+.400 or 1.0 cam height
Cam journal sizes: Stock BBC, 2.125, 55 mm, or 60 mm
Stock lifter angle and spacing
Lifter sizes: .842(stock), or .904
Jesel keyway bushings available
Stock distributor location
Priority main based oiling
Special CN cam oil cross
#12 AN oil inlet
Utilizes remote filter
Valley oil scavenge
10 3/8 DRCE oil pan pattern
Dual starter bosses
Models Available BASE PRICE SHOWN
1005
4.840" Bore Space
+.400 High Cam
Splay Cap
Dry Block
BBC
1005W
4.840" Bore Space
+.400" High Cam
Splay Cap
Water Block
BBC
1007
4.840" Bore Space
+1.0" High Cam
Splay Cap
Dry Block
BBC
1007W
4.840" Bore Space
+1.0" High Cam
Splay Cap
Water Block
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: C N 1007W
  • Shipping Weight: 160lbs
  • 1 Units in Stock
  • Manufactured by: Nelson Competition, Inc.


This product was added to our catalog on Monday 15 August, 2011.

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