Mahle MS Piston Set SBC 420ci 4.155in Bore 3.875in Stroke 6.0in Rod .927 Pin -5cc 12.0 CR Set of 8

Upgrade your small block Chevrolet engine with the Mahle MS Piston Set designed specifically for 420 cubic inch displacement. These pistons feature a bore measurement of 4.155 inches and a stroke of 3.875 inches, optimized for high-performance applications. Constructed with precision and durability in mind, they incorporate a 6.0-inch connecting rod and a 0.927-inch wrist pin, ensuring a reliable fit and excellent engine stability. The pistons are coated with phosphate and Grafal for enhanced wear resistance and corrosion protection, which helps extend the lifespan of your engine components.
Each piston in this set is engineered with a compression ratio of 12.1:1, making them suitable for high compression builds and performance setups. The design includes a negative 5.0cc dish, which contributes to achieving the desired compression while maintaining optimal combustion efficiency. Weighing approximately 403 grams per piston, these components are balanced for smooth operation and reduced engine vibration. Crafted from high-quality materials, these pistons are not CARB-approved but are built to meet performance standards and durability expectations.
The Mahle MS Piston Set is ideal for automotive enthusiasts and professional builders seeking reliable parts for custom or rebuild projects. This set comes with eight pistons and is intended for use in applications where air freight is permitted, and proper acknowledgment of carburetor regulations is required. Designed to fit small block Chevrolet engines, these pistons deliver consistent performance and longevity, making them a valuable upgrade for your engine build.

Features:

• Bore diameter: 4.155 inches for high-performance applications

• Stroke: 3.875 inches to match specific engine configurations

• Connecting rod length: 6.0 inches for optimal engine geometry

• Wrist pin diameter: 0.927 inches for secure fit

• Coatings: Phosphate and Grafal for wear and corrosion resistance

• Compression ratio: 12.1:1 for enhanced power output

• Displacement: Designed for 420 cubic inch Chevrolet small block engines

• Dish volume: -5.0cc for proper compression and combustion efficiency

• Weight: Approximately 403 grams per piston for balanced engine operation