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Main stud installation walkthrough for the Chevrolet Gen III/IV LS small block — inner studs 60 ft-lb, outer studs 50 ft-lb, M8 12-point side bolts 20 ft-lb, windage tray nuts 28 ft-lb, and the stud length split that decides which value you use.

Complete 12-point head bolt installation walkthrough for 2003-and-earlier Chevrolet Gen III LS engines — 11mm 25/50/75 and 8mm 30 ft-lb torque specs, washer chamfer orientation, and the XP988 vs XP987 vs XP981 fitment check.

Complete head bolt installation walkthrough for 2003-and-earlier Chevrolet Gen III LS engines (hex) — 11mm 30/55/80 and 8mm 25 ft-lb torque specs, washer orientation, and the XP987 vs XP981 model-year check.