Carroll Shelby Engine Company

Finished Block 289/302

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The Shelby Alloy 289 Block is much lighter and stronger than the factory cast iron version. The Shelby 289 block is fully CNC machined. It also will feature a casting number similar to the original 289 HIPO blocks.

Shelby 289 Aluminum Block Technical Features:

Block MaterialA356,T6 aluminum Blocks is CNC machined
Deck Height8.2-inch
Deck Thickness0.750-inch
Cylinder bore range4.030-inch,std.,to special order 4.155-inch
Maximum Stroke3.4-inch
Displacements up to368 cubic inches
Cylinder sleeveCentrifugally cast dry sleeves
Cylinder wallSiamese with dry liners
Main bearing capBillet steel
Main bearing cap bolt
configuration
studs;4 splayed bolts on 2-3-4 mains
oil sumpAccommodates wet or dry sump oiling systems
Head stud diameter0.500-inch
Bare block weight90 pounds, approximately