Specializing in the Mopar muscle car era from 1962-1976, but servicing all makes and models of the famous A833 4-speed transmission including the overdrives. We have you covered from the smallest clip or bolt, to a complete conversion packages for your classic A, B or E body., From the smallest part to complete conversion kits, Brewer’s Performance is dedicated to helping you keep your original 4-speed Mopar shifting smoothly. We can also supply the parts you need to convert to 4-speed if your car is currently an automatic., Brewers seems to be a quality vendor. when I was doing my 4 speed swap, I called Wayne for an 18 spline 833. I live 2 hours away and wanted to come pick it up and pay cash. Oddly enough, he wouldn’t sell me a transmission, unless I purchased every item for a complete swap., Looking through old posts it appears Brewer's Performance is the place to have a 4-speed gone through. Is that still the case? My plan was to drop the transmission off to them at Carlisle., Anyone looking to upgrade or install an overdrive transmission in their Mopar, ’tis the season to do it. If you haven’t heard, Passon Performance has created the ultimate Hemi 4-Speed Overdrive for your classic Mopar and it’s a direct fit. Passon has A, B and E-body Hemi Four-Speed Overdrives in, .