460 SIAMESE BORE ENGINE BLOCK

Proudly Made in the USA
New 460 cubic inch engine block replaces the famous M-6010-A460 block, and is manufactured using all new tooling!
  • High-strength block for professional competition
  • 10.322" deck height, +/- .005"
  • Cast iron block with 4-bolt main caps on journals 2, 3, 4
  • Nodular iron main caps
  • 3.00" main journal diameter
  • Siamese cylinder bore design
  • Can be bored/stroked to produce up to 598 cubic inches
  • Bore range from 4.360-4.600"
  • Also available in Big Bore version-M-6010-A460XBB
  • Wet sump oiling system
  • Priority main oiling system design
  • Block weighs approximately 275 pounds
  • NOTE: Siamese blocks are a solid casting between the cylinder bores. There are no water passages between them-this is done to increase the strength of the block
  • NOTE: Four bolt main cap requires stock oil pan modifications
Part Type
Engine: Engine Blocks
Warranty Availability
Package Dimensions
25" x 24" x 31"
Package Weight
271 lb(s)
UPC Code
756122013045
Country of Origin
United States