This pair of heavy duty boot kits fit the rear inner and outer axle on the 1990-1998 Honda ACTY HA4 Mini Truck * Features heavy duty thermoplastic type rubber for a stiffer, more puncture resistant boot * Includes: 1 HD inner boot, 1 HD outer boot, 2 CV grease packs, 4 boot clamps * inner boot (inches): Height: 3.633, Small end: 0.832, Large end: 2.943 * outer boot (inches): Height: 3.537, Small end: 0.865, Large end: 2.839.