Loading... Please wait...


Mopar Aluminum Big Block

BMP Hemi/Wedge Aluminum Engine Blocks 

BMP engineers collaborated with leading Chrysler engine builders and racers and developed a highly refined version of the original 426 HEMI and 440 Wedge style block.  It's been designed using CAD/CAM 3D technology not available when the original was developed, and is manufactured to far more critical specifications.




  • Material: 357-T6 Aluminum
  • Deck Height: 10.725"
  • Deck Thickness: .600" minimum
  • Cam Bearings: Stock (can be machined for 60mm)
  • Camshaft Location: Standard
  • Lifter Bores: .9020" with unfinished bronze bushings 45 Degree Lifter Bank
  • Bellhousing: Dual (accomodates stock and GM)
  • Cylinder Bore Spacing: 4.80"(stock)
  • Maximum Bore: 4.530"
  • Water Jackets: Expanded for better cooling
  • Lubrication: Priority main oiling system
  • Crank Clearance: 4.750" max stroke (with external oil line)
  • Main Caps: 4-bolts crossed nodular iron
  • Fuel Pump: OEM mount
  • Starter: OEM mount
  • Motor Mounts: Dual (front and side)
  • Cylinder Head Holes: Blind tapped to prevent leaks
  • Weight: Approximately 142 lbs.


Sort by:

Follow us on

Copyright 2017 Bill Mitchell Hardcore Racing Products. All Rights Reserved.
Sitemap | Website by A.J. Liguori.