HEMI® GEN II Cast Iron Siamese-Bore Blocks

HEMI® GEN II Cast Iron Siamese-Bore Blocks

Cast Iron Siamese-Bore 426 Hemi Blocks give engine builders the flexibility for a larger bore. Blocks can be bored to the stock size of 4.25", but are specifically designed to be bored larger. Mopar recommends that you sonic check each block if you plan to exceed as-shipped bore diameters.

Versions:

  • P5155072AB Finished Bored at 4.25"
  • P5153862AB Finished Bored at 4.50"
  • P5153942AB Rough Bored at 4.24"
  • P5153943AB Rough Bored at 4.24"
List Price: $3,675.00
Price: $3,599.95
$3,599.95
SKU: P5155072AB / P5153862AB / P5153942AB / P5153943AB