Shelby 289/302 Bare Block

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 Material A356,T6 aluminum Blocks is CNC machined Deck Height 8.2-inch Deck Thickness 0.750-inch Cylinder bore range 4.030-inch,std.,to special order 4.155-inch Maximum Stroke 3.4-inch Displacements up to 368 cubic inches Cylinder sleeve Centrifugally cast dry sleeves Cylinder wall Siamese with dry liners Main bearing cap Billet aluminum Main bearing cap bolt configuration studs;4 splayed bolts on 2-3-4 mains oil sump Accommodates wet or dry sump oiling systems Head stud diameter 0.500-inch Bare block weight 90 pounds, approximately   The Shelby 289/302 block uses a 351 Windsor oil pan, distributor, and oil pump drive shaft.