JDY Stage 1 ?Pistons for BMW S58 3.0T M2 M3 M4 G8X
The JDY Stage 1 and Stage 2 Pistons are high-performance upgrades designed specifically for the BMW S58 engine platform. 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 (84mm) with a 9.2:1 compression ratio, they deliver outstanding performance and reliability under the most demanding conditions.
Key Features:
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Piston Design:
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Stock Bore Size: 84mm.
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Compression Ratio: 9.2:1.
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Material: Billet 2618 alloy for high strength and lightweight performance.
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Available Options: Stage 2+pistons ( 1800+ HP).
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Wrist Pins:
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Material: H13 super hard alloy.
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Dimensions: 23mm diameter, 0.225-inch pin wall thickness.
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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.
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Groove Re-Design:
- The piston ring grooves have been re-engineered for better heat management and durability, minimizing the risk of ring flutter and improving overall performance. Optimized groove depth ensures reliable sealing while accounting for thermal expansion under high-stress conditions.
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Valve Pocket Design:
- Custom valve pocket grooves are designed to accommodate Kelford stage 1, 2, and 3 camshafts, allowing for better volumetric efficiency and greater valve lift without interference.
Stage 1 Pistons:
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Surface Finish: Standard Billet 2618 finish.
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Ideal for builds up to 1500+ horsepower.
- Durable and cost-effective solution for moderate high-performance applications.
Technical Specifications:
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Finished Bore Size: 3.307 inches
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Compression Ratio: 9.2:1
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Wrist Pin Diameter: 0.905 inches
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Wrist Pin Length: 2.250 inches
These pistons are engineered for compatibility with Kelford stage 3 camshafts, which allow for more valve lift, requiring deeper valve pockets that JDY has specifically designed.
Why Choose JDY Pistons?
JDY¡¯s Stage 1 piston kits are meticulously crafted for enthusiasts and professionals aiming to push the limits of their BMW S58 engines. JDY¡¯s pistons provide the durability, power, and performance needed for success on the street or track.
