This is a New Set of 427 454 Big Block Chevy .1 Under Clevite P-Bearings.
These P-Bearings are used with Cast Steel Crankshafts.
High crush for better sealing and retention.
High eccentricity accommodates rod bore distortion.
P-Series rod bearings are the oldest members of the Clevite 77 performance-bearing family.
They're intended for high-revving engines, especially those where the high rpm cause the rod bores to narrow.
To compensate for this distortion, they have higher eccentricity and a high crush factor.
P-Series bearings are built on hardened-steel backings with extra-thin overlays.
Their oil grooves extend all the way around both halves for better oiling.
Grooved lower mains maintian 360 degree oiling.
Standard of the industry.
These Fit 396, 402, 409, 427, 454
Depending on the engine size they fit 1958-2000 years
Also available in- .STD, .10 , .20, .30 under
Part # MIC CB743P1
QTY. Set of 8
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