This Mahle MS piston set (Part Number: mhl930208855) is designed for high-performance Chevrolet small block engines with a displacement of 434 cubic inches. Each piston features a 4.155-inch bore and a 4.000-inch stroke, optimized for power and durability in demanding applications. The set includes eight pistons crafted from high-strength 2618 aluminum alloy, offering reliable performance under high compression ratios. The pistons are coated with phosphate and Grafal for enhanced wear resistance and reduced friction, ensuring longevity and consistent operation during intense engine cycles.
Designed with a compression ratio of 13.9:1, these pistons are suitable for use in racing or high-performance street engines. The pin diameter is 0.927 inches, with a 4.0cc dome volume, providing the ideal compression and combustion characteristics. The robust construction and precise engineering make these pistons a perfect choice for builders seeking to maximize engine output while maintaining reliability. The set is not carburetor approved and requires acknowledgment of carburetor compatibility during installation. Designed for professional assembly, these pistons are suitable for custom engine builds and rebuilds where performance is a priority.
Note that this product is not approved for carbureted applications and may require additional modifications or considerations during installation. The pistons are lightweight at approximately 459 grams each, contributing to optimal engine balance and performance. This set is packaged for automotive use and is not suitable for air freight shipping. Trust Mahle's reputation for quality and precision engineering to deliver a high-performance solution for your Chevrolet small block engine build.
Features:
- Designed for Chevrolet Small Block engines with 434 cubic inches displacement
- Bore: 4.155 inches for optimal power and performance
- Stroke: 4.000 inches for high torque output
- Material: High-strength 2618 aluminum alloy for durability
- Coatings: Phosphate and Grafal for wear resistance and reduced friction
- Compression Ratio: 13.9:1 suitable for high-performance applications
- Piston Pin Diameter: 0.927 inches for secure mounting
- Dome Volume: 4cc to achieve desired compression ratio
- Weight: Approximately 459 grams per piston for balanced engine operation
- Includes a set of 8 pistons designed for professional engine builds
