So, the engine top end, is usually everything above the cylinder head gasket. This would include everything, in engines that have a overhead camshaft (OHC).

GM 6.6L Duramax Diesel – How To Choose The Correct Head Gasket
So, The GM 6.6L Duramax diesel seems to be causing a lot of controversy. Consequently, One big issue is, what the is correct head gasket is for this application. As a result, Many installers are […]