Page 12 - Straub LS Catalog

Fasteners
Head Bolts
These are OEM GM head bolts used on all LS engines from 1997 to present. Bolts are priced each based on quantity ordered. All GM LS head bolts are TTY. They must be replaced after installed.
Part No.
Application
12558840
Head Bolt Short 45MM/1.770” (2004 to Present)
19258707
Head Bolt Medium 100MM/3.930” (2004 to Present)
11588291
Head Bolt Long 155MM/6.102” (1997 to 2004 Engines ONLY)
Main Bolts/Studs
These are OEM GM main bolts and studs used on all LS engines from 1997 to present. Bolts are priced each based on quantity ordered. All GM LS main bolts are TTY. They must be replaced after installed.
Part No.
Application
12561389
LS Main Stud w/windage tray provision
12560272
Main Cap Bolt 4.8, 5.3, 6.0L for the years 2004-2015
12560273
Main Cap Bolt 4.8, 5.3, 6.0L for the years 1999-2003
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