Crate Engine

Shelby Aluminum 289 Crate Engine - 331CI/450HP

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  • Brand:
    Shelby Engine Company
  • Country/Region of Manufacture:
    United States

Carroll Shelby Engine Company 289 Engines, 331CI (450HP)

We have modernized one of the most popular engines of all time, the 289.All of our 289 engines start with our Aluminum 289 block.Cast in California, these blocks are stronger and 20% lighter than the original cast iron blocks.They are a direct replacement for the original iron 289 and 302 engines.Very popular for the Shelby CSX 8000 Cobras, these powerful small blocks are a perfect for any restomod project.


331 cubic inches 450 horsepower and 430 lbs/ft of Torque.It starts with the Shelby Aluminum 356 T6 CNC machined 289 block etched with the Shelby logo.  Shelby/AFR aluminum heads. One piece stainless steel valves 2.08/1.60. High silicone dual valve springs with 4130 steel retainers and Viton pc seals.


  • Callies 3.25” stroker crank, 4340 forged steel, internally balanced 

  • 5.4” H-beam rods, 4340 steel with 8740 7/16” cap screws

  • Mahle 4032 alloy power pack pistons (piston pins do not intersect oil ring)

  • Custom ground hydraulic roller cam 

  • Cloyes timing chain, Hex-A-Just, billet gears

  • Custom aluminum roller rockers

This Complete Block Also Includes:

  • Period correct Cobra 4 BBL intake manifold

  • 8 quart road race oil pan

  • Melling blueprint racing oil pump, high volume and high pressure

  • Shelby finned aluminum valve covers with black or polished finish

  • New Holley 650HP or 750HP double pumper carburetor

  • MSD pro billet distributor

  • Shelby signature 8mm plug wires

  • NGK racing spark plugs

  • Period correct dipstick

  • High flow aluminum water pump with pulley

  • Alternator and alternator bracket

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