What are the cylinder head torque specs and sequence for Nissan 200sx turbo?

For the Nissan 200SX Turbo (SR20DET engine), the cylinder head torque specs typically require an initial torque of 30 ft-lbs (40 Nm), followed by a second round of 60 ft-lbs (81 Nm), and then an additional 90-degree turn on each bolt. The torque sequence usually starts from the center bolts and moves outward in a spiral pattern to ensure even pressure distribution. Always consult the specific service manual for your vehicle for precise specifications and sequences, as they may vary slightly based on the year and engine version.