12 / 31 Fixed 1st First Gear Set Gearset GENUINE HEWLAND NST Swift 008 Atlantic Dallara F3A F3-234 QUICK SHIFT

Genuine Hewland 12/31 fixed first gearset, part #F3A-12:31-INT.  Original standard 8-dog, converted to 4-dog quick shift (see photo).  Fits NST & Dallara F3 (1994) gearboxes.

• General condition:  Lightly used
• 31T gear dog condition: Excellent / 90%+ life remaining
• Fixed gears + shaft condition:  Excellent