Seller notes

KING PERFORMANCE BEARINGS This listing is for a new set of King Performance HP-series main bearings for Chevrolet 366ci, 396ci, 402ci, 427ci, 454ci, and 502ci big block V-8 engines. P/N MB556HP (standard or oversize). This main bearing set contains grooved upper shells. King HP-Series bearings were developed mainly for drag race applications needing a material harder than the babbit top layer. These applications demanded a structure that could withstand high loads for short durations and still o...

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