King HP Main Bearing - 0.001" Undersize - Big Block Mopar 2110017 The spring ball on your

The spring ball on your extension holds the nut in place

1993-2002 Oldsmobile Bravada

Yamaha R6R 2006-09

All other bases were designed off of adaptor flanges used twenty years ago

King HP Main Bearing - 0.001" Undersize - Big Block Mopar 2110017 The spring ball on yourProduct Description: Main Bearing HP 0. 001 in Undersize Mopar B Series King Engine Bearings is a world class developer and manufacturer of engine bearings. King Engine Bearings only product is engine bearings, and because of this specialization, it produces the highest quality engine bearing available in the engine aftermarket. The King Engine Bearing line now includes King rod bearings, King main bearings, King thrust bearings and King cam bearings