Genuine Hewland 12/33 fixed first gearset, part #F3A-12:33-INT. Original 8-dog, modified to 4-dog quick shift (see photo). Fits NST & Dallara F3 (1994) gearboxes. Includes installed oil pump gear. General condition: Lightly used 33T gear dog condition: Good / 70%+ life remaining Fixed gears + shaft condition: Excellent .
