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Short (30%) Shift Distance Kit. Porsche 911 With 915 Gearbox 1974-86 - 91142493100
91142493100/4
Product Information
Product Information
Short (30%) Shift Distance Kit.

Upgrade your Porsche’s gearshift precision with this Short Shift Kit. Designed to reduce shift lever throw by a significant margin, it delivers quicker, more direct gear changes while preserving smoothness and reliability.

Fits:

  • Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
  • Porsche 911 1978-1983 3.0L / SC
  • Porsche 911 1984-1986 3.2L

What This Product Does:
  • This is a short-shift kit / short shifter insert for manual gearboxes used in older Porsche 911 models (and compatible transmissions).
  • Its main function is to reduce the throw / distance the gear lever must travel between gears.
  • By shortening the shift distance, it allows quicker shifts, giving a more “direct” and sporty feel to the gearbox.
  • Because the lever movement is reduced, it typically changes the mechanical leverage slightly, which can make shifts feel firmer and more precise (less slack).

Symptoms Or Signs Of A Worn / Faulty Short-Shift Kit:
  • Inconsistent or sloppy shifts - If the mechanism is worn, not properly fitted, or the insert is loose, you may feel slack, missed shifts, or extra play.
  • Dragging or binding gear lever - If tolerances are tight or misaligned, the lever might bind slightly during movement, especially when shifting quickly.
  • Noise or rattle in shifter area - A loose insert might cause clicking, rattling, or vibration felt through the shift lever.
  • Reduced effectiveness / drift - Over time, the kit components (bushings, linkages) can wear, reducing the short-shift benefit or making it feel “softened.”
  • Gear change errors under high stress / racing - In a performance setting, when you expect crisp shifts, a degraded kit might lead to missed or slow shifts.

Why Replacement / Upgrade Matters:
  • Faster shifts: Less lever travel means quicker transitions between gears, especially useful for spirited driving or track use.
  • Better shift feel: Reduced slack or play gives a more direct, mechanical, connected feel to the gearbox.
  • Enhanced driver engagement: More responsive shifting helps the car feel more “driver-oriented” and sporty.
  • Minimal downsides: A good kit does this without dramatically increasing wear or negatively affecting everyday comfort.
  • Value in restoration / upgrades: For classic Porsche owners restoring or upgrading, applying a short-shift kit helps modernize the driving experience while retaining originality.



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