Clevite P-Series Main Bearing - 0.020 in Undersize - Oldsmobile V8 MS805P20 A-1 Racing Products There may be some groups

There may be some groups that require the use of "stock" crankshafts

These headers work with factory chassis

1967-1972 GMC C25/C2500 Pickup

cooler and longer without overhauls

This kit includes adapter MTP1101

Clevite P-Series Main Bearing - 0.020 in Undersize - Oldsmobile V8 MS805P20 A-1 Racing Products There may be some groupsClevite Main Bearing Set MS805P20 P Series Main Bearings 1 2 Groove . 020" Undersize Tri Metal Oldsmobile 260 307 330 350 403 5 MAHLE Performance boasts the most extensive line of performance engine bearings in the market hands down. Combining the legendary CLEVITE bearing brand for domestic applications with the global coverage in the MAHLE brand for the import market, MAHLE Performance truly is the engine bearing of choice in the performance bearing