No drilling required.
With cable speedometer;Blue 28 Teeth long gear;California Residents: WARNING Rugged Ridge Speedometer Long Gear, 28 Teeth - 18760.06 This 28 tooth long shaft speedometer gear fits 84-93 Jeep Cherokee, 55-86 CJ, 86-92 Comanches, 93 Grand Cherokee, and 87-93 Wrangler with cable speedometers and offers a direct replacement with an easy installation.