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Standard 460 forged-steel rods have broached shank-to-big-end shoulders with rectangular-head, 3/8-inch rod bolts (left). Although it is the same forging, the crate engine’s heavy-duty “marine” rods (right) use spot-faced shoulders, which add strength because less material is removed from this critical stress area. Marine rods also come with the superior “football-headed” rod bolts.
460 Cobra Jet SVO Crate Engines

 Standard 460 forged-steel rods have broached shank-to-big-end shoulders with rectangular-head, 3/8-inch rod bolts (left). Although it is the same forging, the crate engine’s heavy-duty “marine” rods (right) use spot-faced shoulders, which add strength because less material is removed from this critical stress area. Marine rods also come with the superior “football-headed” rod bolts.  View Related Article

 

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