Cobb Stage 1 Drivetrain Package Subaru STI 6MT 2004-2021 | 215X01 vendor_Weapon R 2L Base/Type SH)

2L Base/Type SH)

Other manufacturers valves using cylindrical springs with adjustable pre-load often experience restricted piston travel and flow volume within the normal range of valve adjustment

The Manley Stainless Race Valves feature chrome stems

Improves Acceleration

Wideband Air Fuel Ratio Gauge

Cobb Stage 1 Drivetrain Package Subaru STI 6MT 2004-2021 | 215X01 vendor_Weapon R 2L Base/Type SH)Fitment Information: 2004 2021 Subaru STI The Stage 1 Drivetrain Package Includes: Subaru 6 Speed Front Shifter Bushing; Subaru Rear Shifter Bushing; 6 Speed Double Adjustable Short Throw Shifter. Short Shifter Features: 6061 Aluminum Body Anodized Black Knob Height 1" higher to 1" lower Throw 10% longer to 25% shorter after cutting trim ring Compatible with Factory or Aftermarket Shift Knobs Installation Guide Shift Bushings Features: 95A Durometer