Donovan Engineering Blocks

Donovan Engineering available from Performance Wholesale Australia
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Donovan Blocks available from Performance Wholesale Australia
Donovan Blocks available from Performance Wholesale Australia
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Donovan Aluminum Small Block

Donovan Engineering has been making aluminum racing engine blocks for over 40 years. For leading race engine builders who win by design, Donovan gives you the finest materials and latest engineering.

Each Donovan block is cast from strontium-modified B356 alloy with special heat treat.   Four- and five-axis machining centers assure the tightest tolerances and latest machined surfaces.

Donovan Engineering Quality by Design!

ALL BLOCKS FEATURE

Choice of Castings:

  • Full-Water
  • Half-Water
  • Solid
Donovan Raw Aluminum Blocks

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Donovan Engineering Main Caps

  • Main Caps – Ductile Iron 4-Bolt
  • Fastener Grade 16 studs, nuts, washers
  • Angle studs with hex heads for easy removal

Donovan Engineering Main Caps

 

 

Donovan Engineering Cylinder Sleeves:

  • Ductile Iron Centri
  • Removable and Replaceable
  • Dry Sleeve is surrounded by cast aluminum
  • All bore sizes undersize for finish hone by builder
  • Recommend finish decking by builder
Donovan Engineering Cylinder Sleeves
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Donovan Engines Head Stud Kits and Small Parts Kit

Donovan Engines Head Stud Kit

Each block comes with:

  • Grade 16 studs
  • Studs manufactured in-house
  • 12-point nuts
  • Heat treated and ground washers

Donovan Engines Small Parts Kit

  • Water core plugs with O-rings
  • Head dowels
  • Bellhousing dowels
  • Bronze cam thrust shim

 

 Donovan's HC800 Engine Block

Donovan Engineering’s Big Block aluminum engine blocks are available in four basic configurations.

D500, and Raised Cam: RC 600 

Each block is custom-made to suit each engine builder’s requirements, and comes with:

  • Head Stud Kits — studs, nuts, and washers
  • Block Kit — core plugs, dowel pins, etc.
  • Ductile Iron Sleeves
  • Main Caps with studs, nuts and washers

High Cam blocks raise the cam 0.400″ on RC 600 to allow for stroker cranks.  Special cam bore sizes are available upon request.

Deck Heights on D500 and RC 600 can range from 9.800″ – 10.300″.

Lightweight is done by special request only, and is recommended for static show cars/trucks/marine applications only.

 

Donovan's HC 410 Lightweight and HC 400 Engine Blocks

Donovan Engineering’s Small Block Chevy style aluminum engine blocks are available in three basic Priority Oiling configurations.

HC 400s, the 410s, and the 350/400

Each block is custom-made to suit each engine builder’s requirements, and comes with:

  • Head Stud Kits — studs, nuts, and washers
  • Block Kit — core plugs, dowel pins, etc.
  • Ductile Iron Sleeves
  • Main Caps with studs, nuts and washers

Lightweight options can include removal of engine mounts, oil filter and/or fuel pump bosses.  Lifter valley and exterior shaving/profiling are options, as well.

Raised Cam “HC” blocks raise the cam 0.390″ to allow for stroker cranks which can be sized for either 350 or 400.  Special cam bore sizes are available upon request.

Deck Heights range from 9.025″ – 9.500″, while cylinder bore sizes can also be specified as either 4.00″ or 4.125″, all undersized for finish honing.

 

Donovan's Billet 417 Hemi Block

Donovan’s Historic 417 aluminum engine block is now available in Billet and Original Casting.

Std 417 Hemi,
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NEW Billet 417 Hemi

With over 5 MILLION lines of code, Donovan Engineering is proud to announce the Billet 417 Hemi.

This block blends decades of manufacturing experience with Mastercam’s CAD/CAM technology.

The result is the Ultimate 417 Hemi aluminum engine block.


Be sure to watch this Block’s Video !

 


For racers who want the original 417 Donovan cast block, Donovan Engineering provides these original 417 cast hipped solid aluminum blocks.