The Mahle MS Piston Set for GM LS engines is designed specifically for 408 cubic inch applications, providing reliable performance and durability. This set is compatible with LS3 and L92 style rectangular port heads, making it suitable for high-performance builds and engine reconditioning. Each piston features a 4.030-inch bore diameter, a 4.000-inch stroke, a 6.125-inch connecting rod, and a 0.927-inch wrist pin, optimized for strength and precise fitment. The pistons are crafted from 2618 aluminum alloy, known for its excellent thermal properties and durability under high-stress conditions. With a compression ratio of 9.5:1 and a dished dish volume of -20.0cc, these pistons help achieve efficient combustion and power output. This set weighs approximately 427 grams per piston, ensuring balanced rotation and smooth engine operation. The Mahle MS Piston Set is engineered for automotive applications that require robust components capable of withstanding demanding conditions and enhancing engine longevity. These pistons are not carb-compliant and require carb acknowledgment during installation, making them ideal for specific performance builds where fuel system modifications are planned. Designed for professional installation, this set of eight pistons offers a reliable choice for engine builders seeking quality and consistency. Note that this product is not approved for carbureted applications and is intended for automotive use only, with air freight shipping recommended for safe delivery. Trust Mahle’s expertise in manufacturing high-performance engine components to ensure your LS engine rebuild or upgrade delivers optimal power and efficiency.
Features:
- Designed for GM LS 408 cubic inch engines, compatible with LS3 and L92 style rectangular port heads
- Bore diameter of 4.030 inches for precise fitment and performance
- Stroked at 4 inches with a 6.125-inch connecting rod for increased displacement
- Made from 2618 aluminum alloy for strength and thermal efficiency
- Compression ratio of 9.5:1 with a -20.0cc dished volume for effective combustion
- Weight of approximately 427 grams per piston for balanced engine operation
- Wrist pin diameter of 0.927 inches designed for durability
- Not carb-approved, requiring carb acknowledgment during installation
- Engineered for high-performance automotive applications
