Genuine Hewland 12/29 fixed first gearset, part #F3A-12:29-INT. Original 8-dog, modified to 4-dog quick shift (see photo). Fits NST & Dallara F3 (1994) gearboxes. General condition: Lightly used 29T gear dog condition: Excellent / 80%+ life remaining Fixed gears + shaft condition: Excellent .
