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Main stud installation walkthrough for the 1965–2000 Chevrolet big block with 2-bolt mains — 47/93/140 ft-lb in three equal steps, CS315 thread chasing, and the bore roundness check after a bolt-to-stud upgrade.

Complete head bolt installation walkthrough for 1965–1990 Chevrolet Big Block 396/402/427/454 (12-point) — 25/45/70 torque stages, washer orientation, and the XP984 vs XP980 fitment check.

Complete head bolt installation walkthrough for the 1965–1990 Chevrolet Big Block Mark IV with aftermarket heads — 23/46/70 torque stages, washer orientation, and head fitment check.