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Bored&Stroked · 11-28-2021, 06:30 PM

Also, on the Best Gasket graphite rear main seals, they come with a small roll-pin and instructions to drill the pot-metal seal housings to install the pin (with about 1/2 of it sticking out). The purpose of the roll-pin is to prevent the graphite seal halves from rotating/moving. Some people neglect to drill/install the roll-pin . . . this is an important step and it should be done.

11-28-2021, 06:30 PM	#11
Bored&Stroked Senior Member Join Date: Jan 2011 Location: Central Ohio Posts: 5,073	Re: Fitting Sump Also, on the Best Gasket graphite rear main seals, they come with a small roll-pin and instructions to drill the pot-metal seal housings to install the pin (with about 1/2 of it sticking out). The purpose of the roll-pin is to prevent the graphite seal halves from rotating/moving. Some people neglect to drill/install the roll-pin . . . this is an important step and it should be done.