Catalytic Converter - California Torque Specs

for 2021 McLaren 720S 4.0L V8 Twin Turbo · RWD

Units

6 fasteners

Seq

Component

Torque

Angle

—

Exhaust Flange Bolts

Critical

Apply anti-seize

33 lb-ft · 45 Nm

—

Flange Bolts

Critical

40 lb-ft · 55 Nm

—

Flange Bolts

Critical

Anti-seize

40 lb-ft · 55 Nm

—

Hanger Bolts

17 lb-ft · 23 Nm

—

Heat Shield Bolts

7 lb-ft · 10 Nm

—

O2 Sensor

Critical

Apply anti-seize to threads only

33 lb-ft · 45 Nm

—

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2021 MCLAREN 720S

6 fasteners