460 SIAMESE BIG BORE ENGINE BLOCK

460 SIAMESE BIG BORE ENGINE BLOCK
460 SIAMESE BIG BORE ENGINE BLOCK
460 SIAMESE BIG BORE ENGINE BLOCK
460 SIAMESE BIG BORE ENGINE BLOCK
460 SIAMESE BIG BORE ENGINE BLOCK
Proudly Made in the USA
New 460 engine block replaces the M-6010-A460BB block and is manufactured with all new tooling. 
  • 10.322" deck Height plus or minus .005"
  • Cast iron Block with 4-bolt main caps on journals 2, 3, and 4
  • Nodular iron main caps
  • Can be bored/stroked to produce 598 cu. in.
  • Siamese cylinder bores
  • Rough bored to 4.490" +- .003"
  • Maximum recommended bore 4.625" 
  • Wet sump oiling design
  • 3.00" main journal diameter
  • Weighs approximately 275 lbs.
  • High-strength block for professional competition
  • NOTE: Siamese blocks are solid casting between the cylinder bores. There are no water passages between them. This is done to increase the strength of the block.
  • Also available in standard bore version, part number: M-6010-A460X
Part Type
Engine: Engine Blocks
Warranty Availability
Not Available
Package Dimensions
25" x 24" x 31"
Package Weight
271 lb(s)
UPC Code
756122013229
Country of Origin
United States