4-SPEED REVTECH TRANSMISSION CASE FITS 1965-EARLY 1977 BIG TWINS WITH RATCHET TOP AND LOOSE MAIN DRIVE GEAR ROLLERS AND BELT OR CHAIN DRIVE
Source: Custom Chrome
Cast from 356-T6 aluminum, this case has extra wall thickness in stressed areas and extra support webbing on the primary mounting ears. It uses 1952-early 1979 ratchet tops, loose roller bearings and stock hardware, gears, shafts, bearings and speedometer drive gear. The main drive gear race is installed and pre-sized for standard rollers.