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  1. Forced Induction
    I have a m54b25 na-t making around 400 crank. I am pairing this to an Getrag 420g which I just picked up and I need to order a clutch and flywheel. I know the 420g uses a different spline than the 250g that originally comes one the m54. I am thinking to use the m54 flywheel and pressure plate...
  2. E46 General
    i know there are a few of you guys out there with a getrag 420 bell housing for an e46 m3 just sitting there doing nothing at all looking for one! need it to convert to smg to a 6 speed!
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