DRP's testing shows a good quality tapered wheel bearing provides the lowest rolling resistance when a thrust or side load is applied, compared to all the popular bearing options.
Quality American made Timken bearings REM Finished in house for the ultimate low drag race bearing set. One set is one inner and one outer bearing.
2 Sets needed per car
For even better performance, use DRP's REM Finished Bearing Races, also available from VMS Motorsports