P Series Main Bearing Set .010" CLMS863P 010 Product:P Series Main Bearing Set .010" 20138 or 20146 front sump

20138 or 20146 front sump oil pans O-Ring is included

Fits leather or rubber shift boots

By wrapping your exhaust headers and down pipes you decrease exhaust density and increase exhaust flow resulting in more power

Stainless Steel 4 into 1 Merge Collectors2-1/4" Primary's into 4" Collector Outlet

P Series Main Bearing Set .010" CLMS863P 010 Product:P Series Main Bearing Set .010" 20138 or 20146 front sumpP Series Main Bearing Set . 010"Suit BB Ford FE 390, 427 & 428 ci CLMS863P 010 MS863P 010 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 performance