Description
The Mahle MS Piston Set designed for Chevrolet LS engines provides reliable performance for 5.3L (329 cubic inch) applications. Crafted with precision, these pistons feature a bore diameter of 3.800 inches and a stroke of approximately 3.622 inches, ensuring optimal engine fit and function. The set includes eight pistons, each weighing around 0.39 pounds, built with durable materials to withstand high-performance conditions. Lateral gas ports enhance combustion efficiency, while advanced coatings such as phosphate, Grafal, and hard anodized top ring grooves improve wear resistance and longevity. These pistons are engineered to meet the demands of high-performance engines and come with a compression ratio of 9.6:1, suitable for a variety of performance builds. This part is crucial for enthusiasts seeking to upgrade or rebuild their Chevrolet LS engine with reliable, high-quality components. Please note that these pistons are not CARB-approved, and acknowledgment of this is required for installation. The set is not regularly stocked and is considered a clearance item, ideal for specialized engine builds or performance upgrades. Proper handling and installation are recommended to ensure optimal engine performance and durability.
Features:
- Designed specifically for Chevrolet LS 5.3L engines
- Bore diameter: 3.800 inches for precise fit
- Stroke: approximately 3.622 inches for optimal power
- Lateral gas ports for enhanced combustion efficiency
- Coatings: phosphate, Grafal, and hard anodized top ring groove for wear resistance
- Compression ratio: 9.6:1 suitable for high-performance builds
- Set includes eight pistons with a weight of approximately 0.39 pounds each
- Engineered for durability and longevity in demanding conditions
- Not CARB-approved; acknowledgment required for installation
- Ideal for engine rebuilds and performance upgrades




















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