Roltek T-10 transmission, modified, gun-drilled, rollerized 1st, 2nd, 3rd gears, with brass synchros, S-ratio 2.43 1st, 1.61 2nd, 1.23 3rd, 1-1 4th, no speedo gear provision, double lip output seal, race prep - clearance, 26 spline input, 32 spline output. This T-10 transmission is built for Chevy applications, so it's modified for use with a Ford bellhousing. A conversion pilot bearing must be used for Ford cranks. This Modified (racing) version features rollerized 1st, 2nd, and 3rd gears, a special mainshaft, hubs, and bearings, but NO provision for a speedo. Dog-ring type design for clutchless operation with lightening speed, using special 9310 nickel alloy gears. This transmission is race-proven for reliability under the most extreme conditions. Optional gun-drilled mainshaft and REM treatment available.