World has taken the fabled 426 HEMI and refined it using the latest in CAD/CAM Technology and input from leading Mopar Racers. This block has just about everything an engine builder wants!Race Prepped Blocks:
Let the experienced technicians at World do the ground
work with our Race-Prepped Blocks. Blocks are precision plate-honed, lifter bores honed,
block is thoroughly washed, cam bearings and freeze plugs
installed.You'll find this to be a HUGE time saver and a very
cost-effective investment.
Features:
Dual bolt pattern bellhousing (Chrysler and GM).
Standard or +.250" raised cam locations available.
Can be machined for 60mm cam bearings in either location.
Lifter bores can be spread up to .100" and machined to
accommodate angles of 45 and 51 degrees.
Can use either standard screw-in oil pick up or 2-bolt flange design.
Oiling feeds rockers from both oil galleys instead of cam bearings.
Offered in either Hemispherical or Wedge configurations.
| Technical Specifications |
| Material: | A357-T6 aircraft aluminum (optional Compacted Graphite) |
| Deck Heights: | 10.725" |
| Deck Thickness: | .600" minimum |
| Cam Bearings: | Standard Chrysler |
| Main Bearings: | Standard Chrysler |
| Camshaft Location: | Stock or raised (+.250") |
| Lifter Bores: | Can be spread to .100'' and bored between 45 or 51° |
| Bore: | Available with 4.250'' and 4.500'' (4.600'' in CGI) |
| Maximum Bore: | 4.625" CGI, 4.530" aluminum |
| Cylinder Wall Thickness: | (nominal .200" @ 4.600" bore) |
| Water Jackets: | Expanded for better cooling |
| Lubrication: | Priority main oiling system |
| Bellhousing: | Machined with both Chrysler and GM bolt patterns |
| Oil Pick-up: | Changed to 2-bolt flange mount; relocated for clearance
and provision for external oil pick-up |
| Crank Clearance: | Up to 4.750" crank with external oil pick-up |
| Main Caps: | Nodular iron - cross-bolted (first four) |
| Starter: | Engineered to clear all popular starters |
| Motor Mounts: | Availale with HEMI 0 or Wedge mounts |
| Cylinder Head Holes: | Configured for HEMI or Wedge heads |
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