Product Description
BMW S63 Stock Block Piston Set - ItalianRP IRPP322ADA
The ItalianRP piston is a high-performance forged component designed for the BMW S63B44 4.4L twin-turbo V8 engine, found in models such as the M5, M6, M8, M850i, X5M and X6M. Crafted from 2618 aluminum alloy, this piston features a double-bridge design, enhancing strength and durability under high-stress conditions. With a bore size of 89.00mm and a compression ratio options of OEM, 9.00:1 or 9.50:1, it maintains the OEM stroke and compression height, ensuring compatibility with stock components. The piston is paired with ItalianRP's IRPC083 connecting rods and can be found here. These pistons are vailable in both Gold and Platinum lines and offers options to suit various performance needs and budgets. This product is ideal for enthusiasts seeking to upgrade their engine's internals for improved performance and reliability.
Features | Specifications |
---|---|
Piston Code | IRPP322ADA |
Rod Code | IRPC083 |
Engine Code | S63 |
Number of Cylinders | 8 |
Stroke | OEM |
Compression Ratios | OEM, 9.50:1, and 9.00:1 |
Compression Height | OEM |
Bore Size | 89.00 mm |
Compatible Models | M5, M6, M8, M850i, X5M and X6M |
Included Components | Pistons, Rings, Wrist Pins |
Material | 2618 Aluminum Alloy |
Manufacturing Origin | Italy |
ItalianRP is a performance engine component manufacturer based in Italy, specializing in high-quality forged pistons and connecting rods for European and Japanese engines. Known for their motorsport heritage and precision craftsmanship, ItalianRP parts are designed and built in-house using top-grade materials like 2618 aluminum and 4340 steel. Every component undergoes rigorous quality control and is CNC-machined to exacting tolerances, ensuring reliable performance in everything from street builds to full race applications. With a growing presence in North America through ItalianRP USA, the brand brings together Italian engineering excellence and a passion for pushing automotive limits.