428 Blocks, Crankshafts, and Short Blocks

These Service blocks have the heavy webbing on the mains, and have the high performance 1UB crankshaft, both being what the factory 428 Cobra Jet used in the bottom end of the engine.  The blocks usually have no casting numbers, but do have date codes.  Date codes are usually in the 1970 to 1973 range.  The rods are usually C7AE-B.

Heavy webbing near the main bearings.  Click the picture for more pictures of these types of blocks.

The IUB Cobra Jet crankshaft.

Due to the heavy demand, please email Wayne for more information on availability and what is currently in stock.  Thank you.

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