Paul K. Posted June 30, 2008 Share Posted June 30, 2008 I need a source to buy some new head bolts for my 64 Riv 425 motor and a rear main seal if there is one that is better than the original rope style that comes with the engine gasket set. Thanks. Link to comment Share on other sites More sharing options...
RivNut Posted June 30, 2008 Share Posted June 30, 2008 TA performance offers head bolts, and the "modern" neoprene rear seal you want is the one that is the OEM seal for the Buick V6. Link to comment Share on other sites More sharing options...
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