GEARS IN STOCK
**1985 uses smaller diameter crankshaft, verify engine year by visually checking crank diameter and make a note when ordering.
This is our billet 20% reduction for the 1985-1988 ATC250ES Big Red, ATC250SX and TRX250. Requires gear indicator cup delete and neutral wire mod. Please see frequently asked install questions. Ideal for 26"-28" tires.