Lisle 71400 Manifold Drill Template for GM 4.8L 5.3L 6.0L LS Engines

The Lisle 71400 Manifold Drill Template is a comprehensive solution for removing broken exhaust manifold bolts on GM LS III engines (4.8L, 5.3L, and 6.0L) without damaging the cylinder head. This precision tool eliminates the frustration and risk of drilling freehand when dealing with seized or broken manifold studs.

Key Features:

• Tapered alignment bolts center the base plate precisely over bolt holes for accurate drilling
• Slip-fit bushing system allows quick movement from hole to hole without repositioning the base plate
• Double-sided drill depth gauge prevents piercing the water jacket during drilling
• Includes three sizes of slip/fix bushings (1/8", 3/16", 17/64") for progressive drilling
• Complete with three cobalt drill bits for superior durability and heat resistance
• Built-in screw extractor removes broken bolts after drilling
• 8mm tap aligner included for drilling to tap size when extractor cannot be used

Complete Kit Includes: Stud extractor, GM drill plate, drill depth gauge, alignment bolt, 8mm tap aligner, lock screw, three slip/fix bushings (1/8", 3/16", 17/64"), three cobalt drill bits (1/8", 3/16", 17/64"), and protective carrying case.

This professional-grade tool set saves time and prevents costly cylinder head damage when repairing common exhaust manifold bolt failures on GM LS III platform engines.