Seller notes

Product Description: The Ultima Six Speed Builders kit was designed to provide a simple, low cost, 6 speed overdrive solution for 1990-Later Big Twin owners. These kits work in most 1990-1999 models with little or no modification. A speedometer recalibration unit is required on some 1996-2000 and all 2001-2006. These kits will work in 5 spd type 2000/Later models with additional minor modifications. The trap door is thicker than stock so any brackets used that are trap door mounted may need modi...

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