These are high-performance upgrades designed specifically for the high boost (55psi +) & NOS Application. These pistons are engineered to handle extreme power outputs while offering enhanced durability and efficiency for high-performance and racing applications. Available in stock bore size (82.5mm) with a 9.5:1 compression ratio, they deliver outstanding performance and reliability under the most demanding conditions.
Key Features:
-
Piston Design:
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Stock Bore Size: 82.5mm.
-
Compression Ratio: 9.5:1.
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Material: Billet 2618 alloy for high strength and lightweight performance.
-
Wrist Pins:
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Material: H13 super hard alloy.
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Dimensions: 23mm diameter, 0.225-inch pin wall thickness.
-
Coating: DLC (Diamond-Like Carbon) coating for reduced friction, enhanced wear resistance, and better performance under high temperature.
-
Piston Rings:
-
Equipped with?Total Seal piston rings, which are thicker than OEM rings for better sealing, improved oil control, and enhanced resistance to higher combustion pressures.
-
Groove Re-Design:
-
The piston ring grooves have been re-engineered for better heat management and durability, minimising the risk of ring flutter and improving overall performance. Optimised groove depth ensures reliable sealing while accounting for thermal expansion under high-stress conditions.
-
Valve Pocket Design:
-
Custom valve pocket grooves are designed to accommodate?Kelford Cam-A & Cam B camshafts, allowing for better volumetric efficiency and greater valve lift without interference.
-
Hard Anodizing: Provides a durable oxide layer for increased hardness, wear resistance, and corrosion protection. It also improves heat resistance and lowers friction between the piston and the cylinder wall.
-
DLC Coated Wrist Pins: DLC coating ensures extremely low friction and enhanced durability, even in high-temperature environments, while reducing wear on the connecting rods.
-
Performance Rating: Supports builds 1400+ horsepower, ideal for high-performance and racing applications.
Technical Specifications:
-
Finished Bore Size: 82.5mm
-
Compression Ratio: 9.5:1
-
Wrist Pin Diameter:
-
Wrist Pin Length:
These pistons are engineered for compatibility with?Kelford Cam-A & Cam B camshafts, which allow for more valve lift, requiring deeper valve pockets that JDY has specifically designed.
Why Choose JDY Pistons?
JDY¡¯s Drag Spec Pistons kit are meticulously crafted for enthusiasts and professionals aiming to push the limits of their Audi 2.5TFSI DAZ/DNW engines. ?JDY¡¯s pistons provide the durability, power, and performance needed for success on the street or track.
These are high-performance upgrades designed specifically for the high boost (55psi +) & NOS Application. These pistons are engineered to handle extreme power outputs while offering enhanced durability and efficiency for high-performance and racing applications. Available in stock bore size (82.5mm) with a 9.5:1 compression ratio, they deliver outstanding performance and reliability under the most demanding conditions.
Key Features:
-
Piston Design:
-
Stock Bore Size: 82.5mm.
-
Compression Ratio: 9.5:1.
-
Material: Billet 2618 alloy for high strength and lightweight performance.
-
Wrist Pins:
-
Material: H13 super hard alloy.
-
Dimensions: 23mm diameter, 0.225-inch pin wall thickness.
-
Coating: DLC (Diamond-Like Carbon) coating for reduced friction, enhanced wear resistance, and better performance under high temperature.
-
Piston Rings:
-
Equipped with?Total Seal piston rings, which are thicker than OEM rings for better sealing, improved oil control, and enhanced resistance to higher combustion pressures.
-
Groove Re-Design:
-
The piston ring grooves have been re-engineered for better heat management and durability, minimising the risk of ring flutter and improving overall performance. Optimised groove depth ensures reliable sealing while accounting for thermal expansion under high-stress conditions.
-
Valve Pocket Design:
-
Custom valve pocket grooves are designed to accommodate?Kelford Cam-A & Cam B camshafts, allowing for better volumetric efficiency and greater valve lift without interference.
-
Hard Anodizing: Provides a durable oxide layer for increased hardness, wear resistance, and corrosion protection. It also improves heat resistance and lowers friction between the piston and the cylinder wall.
-
DLC Coated Wrist Pins: DLC coating ensures extremely low friction and enhanced durability, even in high-temperature environments, while reducing wear on the connecting rods.
-
Performance Rating: Supports builds 1400+ horsepower, ideal for high-performance and racing applications.
Technical Specifications:
-
Finished Bore Size: 82.5mm
-
Compression Ratio: 9.5:1
-
Wrist Pin Diameter:
-
Wrist Pin Length:
These pistons are engineered for compatibility with?Kelford Cam-A & Cam B camshafts, which allow for more valve lift, requiring deeper valve pockets that JDY has specifically designed.
Why Choose JDY Pistons?
JDY¡¯s Drag Spec Pistons kit are meticulously crafted for enthusiasts and professionals aiming to push the limits of their Audi 2.5TFSI DAZ/DNW engines. ?JDY¡¯s pistons provide the durability, power, and performance needed for success on the street or track.
