More info
This clutch application ends production date 1/01. 99 GT models take flywheel part numbers SF84S/SF84A.
Torque specifications (in pounds) for each stage
Stage 1 : 495 lbs
Stage 2 : 567 lbs
Stage 2+ : 635 lbs
Stage 3 : 680 lbs
Stage 3+ : 790 lbs
Stage 4 : 680 lbs
Stage 5 : 955 lbs