2045 n21 adj
4.500” Bore Space Splay Cap SBC

The 2050 series are a +.629” and +1.029” high cam, 4.500” bore space small block Chevrolet.

  • Premium CN Billet material
  • CNC machined at CN Blocks
  • Includes block, caps, main studs, and sleeves installed
  • 4.500” Bore Spacing
  • Deck Heights: 9.025”, 9.325”, or 9.500”
  • Optional deck heights: 9.00” to 10.200”
  • SBC 400 crank mains
  • Optional 350 mains
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  • Aluminum main caps
  • 1/2” main studs and splay studs
  • +.390”, +.629”, or +1.029” cam height
  • Cam sizes: BBC, 50mm, 55mm, or 60mm
  • Lifter angle to match application
  • Lifter sizes: .842”, .875”, .904”, or .936”
  • Jesel keyway bushings available
  • Distributor available on +.390” high cam only
  • Priority based main oiling
  • Left rear #12 AN oil inlet
  • Standard dry sump
  • Valley oil scavenge
  • Rocket oil pan pattern
  • Dual starter bosses
  • Water cooling

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