Whoopee Doo Racing
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High performance transmission builds, standard rebuilds and parts sales. We are MFactory Competition Products Official North American Installer and a distributor for them. We are also direct dealers for Action Clutch, Torco, Gear-X, Synchrotech, Hasport, SpeedFactory and Rocket Motorsports. We also carry Downstar's line of transmission bolts and washers.
05/02/2025
7th gen Civic owners, I've got one MTM Gears 4.928 final drive (pictured), two MTM Gears 4.500 final drives, and one 1.368/1.000 3/4 close gear set available.
Final drives are $900 each and the close gear set is $800. Free shipping in the US. Installation is available.
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Address
Johnson City, TN
37615
Opening Hours
| Monday | 11am - 9pm |
| Tuesday | 11am - 9pm |
| Wednesday | 11am - 9pm |
| Thursday | 11am - 9pm |
| Friday | 11am - 9pm |
