*SINGLE* HEAD GM LS1 ONLY EARLY HEAD BOLTS LONG KIT IS FOR 1 HEAD 1997 to 2004 GENUINE GM - TORQUE TO YIELD.

GM 12498545 LS1 HEAD BOLTS KIT Long/Staggered Type, FITS EARLY LS1 FROM 1997 TO 2004. GENUINE GM - TORQUE TO YIELD. Suits 1998-2004 VT, VX, VY, SS Commodore, 

KIT FOR 1 CYLINDER HEAD (Need two boxes per engine) 

Contains:  

8 x Long

2 x Medium

5 x Short

Head Bolt Long  155MM/6.102” (1997 to 2004 Engines
ONLY)

Head Bolts
These are OEM GM head bolts used on all LS engines from 1997 to 2004. 
They must be replaced after being used as they are TTY, Torque to Yield and cannot be reused.

NOTE: Kit services one head only, two kits are required for installation. Torque to yield bolts are good for 1 use on engine. Kit contains 8- M11 x 2.0 bolts that are 155mm long, 2- M11 x 2.0 bolts that are 100mm long, and 5- M8 x 1.25 bolts that are 45mm long. These are first design 1997-2003 bolts using 3 different lengths.