The Mahle MS Piston Set designed specifically for GM LS engines delivers high-performance components for your 408 cubic inch build. Crafted with precision, these pistons feature a 4.030-inch bore and a 4-inch stroke to optimize engine displacement and power output. The set includes pistons with a 6.125-inch connecting rod length and a .927-inch wrist pin, ensuring durability and efficient motion transfer. With a compression ratio of 10.8:1, these pistons are engineered for reliable performance under demanding conditions. The pistons are coated with phosphate and Grafal treatments, providing enhanced corrosion resistance and wear protection for long-lasting operation in high-stress environments. Designed for automotive applications, this set is ideal for enthusiasts seeking to build or rebuild a high-performance LS engine with precision parts that meet rigorous standards. The set includes eight pistons, perfectly matched for balanced engine assembly. Please note that these pistons are not CARB-approved and require carb acknowledgment, making them suitable for off-road or race applications where emissions compliance is not mandated. The pistons are lightweight at approximately 403 grams each, contributing to optimal engine responsiveness and efficiency. Mahle’s reputation for quality and durability ensures these pistons will perform reliably across a broad range of high-performance scenarios, from street to track applications.
Features:
- Designed for GM LS 408 cubic inch engines with 4.030-inch bore and 4-inch stroke
- Includes eight pistons with a 6.125-inch connecting rod length and .927-inch wrist pin
- Compression ratio of 10.8:1 for a balance of power and efficiency
- Phosphate and Grafal coatings for corrosion and wear resistance
- Lightweight construction at approximately 403 grams per piston for optimal engine response
- Not CARB-approved; requires carb acknowledgment for off-road or racing use