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Home » Subaru WRX/STI » Drivetrain & Components » Gear Sets   APS High Torque Gearbox Internal Gearset Details  Price: $4,395.00 Out of Stock Helical Front LSD for 5-Speed WRX/STI Details  Price: $1,695.00 JDM 6-Speed Gearbox Upgrade Kit for STI Details  List Price: $450.00 Price: $425.00 Kaaz Synchromesh Close Ratio Gearset for WRX Details  Price: $3,999.00 PPG 5-Spd Synchromesh Gear Sets Details  Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/mjaloudi/mzmperformance.com/vsadmin/inc/incfunctions.php on line 1003 Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/mjaloudi/mzmperformance.com/vsadmin/inc/incfunctions.php on line 1003 Gear Set Options Please Select...Helical Cut Gear Set Straight Cut Gear Set Price: $4,999.00 Type RA Gear Set for 5MT '99-'06 Details  Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/mjaloudi/mzmperformance.com/vsadmin/inc/incfunctions.php on line 1003 Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/mjaloudi/mzmperformance.com/vsadmin/inc/incfunctions.php on line 1003 Close Ratio 5-Spd Gear Set Please Select...WRX Gear Set STI Gear Set List Price: $1,600.00 Price: $1,595.00