Northstar Engines and System Technical Discussion Discussion, Timesert Kit Info in Cadillac Engine Technical Discussion; For anyone intrested, I got this e-mail from Timesert the other day.
Date: 2/26/2007 8:48:08 AM
Cadillac NorthStar Headbolt 4.0/4.6 repair kit part number J-42385-500
This kit includes all the tools and 10 inserts of a M11x1.5x30mm additional
inserts are part number J-42385-507 $3.25 each.