Product details:
Time Fastener Company Time-Sert J-42385-500 Northstar 4.0/4.6 Head Bolt Repair Kit NorthStar M11x 1.5 Headbolt V8 This block has 1 depth for all head bolt holes. This is measured from the top of the block to the first starting thread 35mm. Last year for this block 1999. 20 inserts needed for entire block. Kit includes: Drill fixture Drill bushing Alignment pin Bolts (3) Step drill Tap Insert driver Inserts (10) - Part number TIM11155 loctite Driver oil This kit is for 1999 and older vehicles. For year 2000 and newer see TIMJ-42385-2000.