Description
The ProMAXX GM 6.6L Duramax Diesel Exhaust Manifold Broken Bolt Repair Kit (PMXT300MSTR) is designed to provide a fast and reliable solution for repairing broken exhaust manifold bolts without removing the cylinder head. Compatible with Duramax Diesel models from 2004 to current, this extractor-less kit ensures precision, efficiency, and professional results. By using screw-in bushings, precise jig alignment, and machine-shop-grade drill bits, technicians can repair each bolt in approximately 15 minutes, saving time and boosting productivity.
Features:
- Extractor-less design for consistent, accurate repairs.
- Screw-in bushings and precise mating angles for perfect alignment.
- Flexible mounting positions with included precision fasteners.
- Machine-shop-grade drill bits with a 135° cutting angle for durability.
Benefits:
- Saves time: Complete repairs in about 15 minutes per bolt.
- Increases ROI: Streamlines workflow and enhances productivity.
- Ensures accuracy: Achieve professional-grade precision with every repair.
- Durable tooling: Designed to withstand tough materials and curved surfaces.
Technical Specifications:
- Master Kit: Includes 8mm & 10mm components (2004–current models).
- ProKit (8mm): Compatible with GM Duramax L5 Diesel V8 (2016–current).
- ProKit (10mm): Compatible with GM Duramax L5 Diesel V8 (2004–2016).
- Drill bits: 135° cutting angle, made in the USA for alloy and stainless steel.
Set Inclusions:
- ProPlate jig for cylinder head alignment.
- Screw-in ProBushings for secure positioning.
- ProDrill machine-shop-grade drill bits.
- Thread repair components: Tap and threaded inserts.





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