Lisle 71650 Manifold Drill Template for GM EcoTec3 5.3L & 6.2L Engines

The Lisle 71650 Manifold Drill Template is a precision tool designed specifically for removing broken exhaust manifold bolts on GM EcoTec3 5.3L and 6.2L engines without causing damage to the cylinder head. This professional-grade template ensures accurate drilling alignment to safely extract stubborn broken fasteners.

Key Features:

• Application-specific design for GM EcoTec3 5.3L and 6.2L motors
• Tapered alignment bolts center the base plate precisely over bolt holes
• Slip-fit bushing system allows quick repositioning from hole to hole without moving the base plate
• Guides drilling operation to prevent damage to aluminum cylinder heads
• Includes secondary bushing for drilling to tap size when screw extractor cannot be used
• Works with standard screw extractors to remove broken bolts

This drill template eliminates the guesswork and risk associated with free-hand drilling on expensive cylinder heads. The precision bushing system ensures proper drill bit alignment, while the stable base plate design prevents wandering that could damage threads or the head surface. An essential tool for professional technicians and serious DIYers tackling exhaust manifold bolt extraction on late-model GM truck and SUV engines.