Easily upgrade your IRS Bug’s transmission to a beefier Bus IRS version using our adapter kit, Zinc Plated for added durability. Pair with EMPI Chromoly I.R.S. Race Axles for superior strength; the most common length is 15 5/8". Ensure the correct length based on your application. Compatible with P/N 17-2725 Shift Shaft Coupler, T1-T2.

Bus to Bug Trans Mount Kit with Hardware

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  • $65.93
  • $79.11
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Bolt in the beefier Bus IRS Trans into your IRS Bug with this adapter kit (Zinc Plated). For added strength and reliability, use EMPI Chromoly I.R.S. Race Axles. Most common is 15 5/8" - your particular application will dictate proper axle length needed. (Silver Plated). Use with P/N 17-2725 Shift Shaft Coupler, T1-T2.