The Mahle MS Piston Set designed for the GM LT1 427 cubic inch engine offers high-performance components for serious automotive enthusiasts and professional rebuilds. These pistons feature a 4.125-inch bore and a 4-inch stroke, providing precise fitment and optimal combustion efficiency. Crafted with advanced coatings including phosphate, Grafal, and a hard anodized top ring groove, they deliver enhanced durability and wear resistance under demanding engine conditions. The set includes pistons with a compression ratio of 12.3:1, ensuring excellent power output and fuel economy. Each piston is engineered for a weight of approximately 8.5 ounces, contributing to balanced engine performance and smooth operation.
Features:
- Bore: 4.125 inches for precise engine fitment
- Stroke: 4 inches for optimal piston travel
- Connecting Rod Length: 6.125 inches for reliable motion transfer
- Piston Pin: .927 inches diameter for secure attachment
- Compression Ratio: 12.3:1 for high power output
- Coatings: Phosphate, Grafal, and Hard Anodized top ring groove for wear resistance and longevity
- Application: Designed specifically for GM LT1 427 cubic inch engines
- Weight: Approximately 8.5 ounces per piston for balanced engine dynamics
- Material: High-quality automotive-grade materials ensuring durability and performance
- Part Number: Mahle MS Piston Set GM LT1 427ci, part number mhl930173225