FixVault

Torque Specifications: GS300

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Lexus GS 430, 2004 Lexus GS 300, 2003 Lexus GS 430, 2003 Lexus GS 300, and 2002 Lexus GS 430. However, it is still accessible from the selected car via links, so may be relevant.
TORQUE SPECIFICATIONS (GS300)

Application Ft. Lbs. (N.m)
Starter Bolt 27 (37)
Terminal Nut 13 (17)
INCH Lbs. (N.m) 
End Cover-To-Field Frame Screw 18 (2)
Magnetic Switch End Cover-To-Magnetic Switch Screw 18 (2)
Starter Housing-To-Magnetic Switch Screw 53 (6)
Starter Through Bolts 53 (6)