K kingvern Well-Known Member Joined Sep 15, 2013 Messages 591 Reaction score 67 Location Clarksville, Michigan May 17, 2018 #1 On the Indy ez heads do you still need to use thread sealer for the header bolts. Or is that just the stock cast iron heads. Thanks Vern
On the Indy ez heads do you still need to use thread sealer for the header bolts. Or is that just the stock cast iron heads. Thanks Vern
DartOS Well-Known Member Joined Mar 24, 2010 Messages 536 Reaction score 97 Location Texas May 17, 2018 #2 Header bolts/studs are not drilled into the water jackets.
K kingvern Well-Known Member Joined Sep 15, 2013 Messages 591 Reaction score 67 Location Clarksville, Michigan May 17, 2018 #3 Thank you DartOS