Prevents damage to crankshafts and piston cylinder walls by protecting exposed piston rod bolts, and at the same time, safely guides piston rods during removal and installation. TO REMOVE PISTON: 1. Remove nuts from piston rod bolts. 2. Place small adapters into prong ends and onto rod bolt ends. 3. Tap base of tool with palm of hand or hammer to break loose rod cap union. 4. Remove bottom rod cap and small adapters. 5. Place prong ends of tool onto piston rod bolts and push on base to rem