JDY Performance STG2 BMW S58 3.0TG8X Pistons by Diamond

Description

JDY Stage 2 Pistons for BMW S58 G8X M2/3/4 Platform The JDY 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: • Piston Design: • Stock Bore Size : 84mm. • Compression Ratio : 9.2:1. • Material : Billet 2618 alloy for high strength and lightweight performance. • Available Options : Stage 1 pistons (up to 1500 HP) and Stage 2 pistons (up to 1800 HP). • Wrist Pins : • Material : H13 super hard alloy. • Dimensions : 23mm diameter, 0.225-inch pin wall thickness. • Coating : Stage 2 pistons come with 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, 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. • 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 2 Pistons : • 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 1800+ horsepower, ideal for high-performance and racing applications. Technical Specifications : • Finished Bore Size : 3.307 inches • Compression Ratio : 9.2:1 • Wrist Pin Diameter : 0.905 inches • 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 2 piston kits are meticulously crafted for enthusiasts and professionals aiming to push the limits of their BMW S58 3.0T engines. ?JDY¡¯s pistons provide the durability, power, and performance needed for success on the street or track.

Specifications