Take your pick. I used the Mr Gasket 1121G with no issues but my block was straight and my heads had been milled.
DODGE 4.5L/273 Mopar small block LA - head gasket KEYWORD - Free Shipping on Orders Over $109 at Summit Racing I was overthinking the bore size issue between the stock gaskets and the larger aftermarket. The difference isn't enough to be concerned about as far as compression goes. About .1 or so difference in compression.
