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K24Z and K24Y Series
4-ply polyester reinforced hi-temperature silicone elbow
The photos show the stock STi shifter vs the GFB shifter from 3rd to 4th gear
100% stainless steel
Spline OD: 26
MFactory PRO Series 4 Speed Drag Gear Set - K Series rb1 K24Z and K24Y SeriesMFactory PRO Series 4 Speed Drag Gear Set K Series These K Series gears are a direct swap for the OEM 1 4 K20 6 speed gears and can be used with OEM synchros or Synchrotech Carbon Synchros. They are designed with a longer 1st and close ratios 2 3 4 for a better launch and reduced RPM drop during shifts. The OEM 5th and 6th gears can be reused for highway cruising. The gears are hardened and super sub zero cryo treated for increased strength. The OEM
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