Description
The PTG M178 Darton Sleeved AMG Block is engineered to handle over 1,500 horsepower, making it the ultimate solution for high-performance builds. Developed in collaboration with Darton Sleeves, this upgrade introduces precision-machined steel liners designed to work seamlessly with either stock or PTG pistons. Whether you need to enhance your engine’s strength for extreme power output or repair a damaged cylinder block, this sleeved engine block ensures optimal reliability and longevity.
Each PTG M178 engine block undergoes a rigorous validation process to exceed OEM AMG standards. This meticulous process guarantees perfect piston-to-wall clearances, reducing wear and ensuring long-term durability, even under extreme performance conditions.
Key Features:
- High-Power Capability – Designed to withstand over 1,500 horsepower for extreme performance applications.
- Darton Steel Sleeves – Precision-machined and honed for exact piston fitment, ensuring superior strength and reliability.
- OEM-Grade Quality – Engine block tolerances exceed AMG factory standards for unmatched durability.
- Comprehensive Validation Process – Each engine block undergoes:
- Deck height machining
- Line hone verification
- Physical and chemical inspections for imperfections and cracks
- Installation of Darton sleeves
- Electro & vibration testing to detect sleeve sink
- Precision honing to exact measurements down to .00001”
- Final line honing to ensure precise fitment
- Ideal for Performance & Repair – Suitable for both high-performance builds and restoring damaged M178 engine blocks.
Fitment:
- Mercedes-Benz GT (2015-2023) – M178 4.0L V8
- Mercedes-Benz AMG GT Black Series (2021-2023) – M178 4.0L V8
- Mercedes-Benz AMG GT-C (2015-2023) – M178 4.0L V8
- Mercedes-Benz AMG GT-R/Pro (2015-2023) – M178 4.0L V8
- Mercedes-Benz AMG GT-S (2015-2023) – M178 4.0L V8
Core Exchange Requirement:
A core engine block must be supplied by the customer, or a core exchange fee of $8,500 applies.
