P Series Main Bearing Set .030" CLMS829P 030 4.1 Breathers are easily maintained with

Breathers are easily maintained with a washable filter element

chrome-plated push-on oil breather

chrome plated and black electrolysis

42" to the lifter valley cover flange on engine block

P Series Main Bearing Set .030" CLMS829P 030 4.1 Breathers are easily maintained withP Series Main Bearing Set . 030"Suit BB Chev 366, 396, 402, 427, 454 & 502 CLMS829P 030 MS829P 030 P Series Bearings These are not to be confused with the standard passenger car and light truck parts for the same retention applications which also have a "P" suffix letter. These high performance parts have unique core part numbers different from the standard parts for the same application. P series parts are the oldest series of Clevite high